Css code myspace profiles jobs

Hey users, i already have my static portfolio written in html,css and javascript. I just wanted to make it as dynamic. I wanted to add all my content to be loaded from firebase backend. Link to portfolio : It is just a small project and in near future will also look for SEO For Portfolio Connect with me if you are interested

...GrassBlade xAPI Companion. Implement and test SCORM file integration to ensure smooth functionality. Conduct CSS customization for aesthetic improvements on specific pages according to our design guidelines. Thoroughly test functionalities including course progression, LRS & LMS data tracking, certificate generation, and the student dashboard. Ensure the site can handle high traffic (upwards of 450 users) without crashing. Provide real-time troubleshooting and support on the 28th of May, tentatively from 9am for 5 hours. Requirements: Proven experience with WordPress development, specifically with LifterLMS and GrassBlade xAPI Companion. Proficiency in SCORM file integration and CSS for aesthetic customizations. Strong troubleshooting skills and the ability to provid...

I need a skilled developer to assist me in generating NFT art using code for the Solana blockchain. A specific feature I'd like is the use of Hash Lips as the source for the art generation. Im having trouble with the programs, looking for someone to walk me through it

We have a wordpress site with the Avada theme. There are lightbox video popups. The vertical videos are not fitting in the screen. We need the Video embed code edited so that they fit properly. (We use streamable to host) We need someone who is expert in CSS. This is a quick task of less than an hour and we need it done right away, so only bid if you can do it now.

I'm seeking a Front-End Developer to convert our design into a responsive web page using Bootstrap. Key Responsibilities: - Conversion of our design into a responsive web page - Proficiency in HTML, CSS, and JavaScript - Utilizing Bootstrap framework for development - Implementing specific functionalities like image sliders and interactive forms - Ensuring the final design is minimalistic and clean Ideal skills and experience: - Proficient in HTML, CSS, and JavaScript - Experience in responsive design - Knowledge of Bootstrap framework - Ability to develop image sliders and interactive forms in JavaScript - Capability to design a minimalistic and clean page Please share your previous work for review, along with your approach for this project.

...ecommerce solutions using PHP, Laravel, MySQL, HTML, CSS, JavaScript, and related technologies. Collaborate with the design and product teams to implement new features and improvements. Optimize and enhance the performance of the website and app to ensure a seamless user experience. Troubleshoot and resolve issues as they arise, ensuring the stability and reliability of the platform. Write clean, well-documented, and maintainable code. Stay updated with the latest industry trends and best practices in web development, app development, and ecommerce. The project primarily entails: User Management: Implement a comprehensive user management system, including user registration and login, setting up user roles and permissions, and managing user profiles. Payment Integra...

I'm looking for a skilled Web Developer or Designer to overhaul my current website's layout and typography. The typography seems inconsistent across the webpages and desperately needs a professional touch for uniformity. Key Tasks: - Refactor CSS in-line with the typography and layout adjustments to maintain site performance and User Interface. - Sculpt the website layout for better content organization to enrich user experience and engagement. Desired Experience: The ideal candidate should be proficient in CSS, have a keen eye for typography and layout consistency, as well as a good understanding of content organization in web design. Familiarity in enhancing web layout for a richer user experience would be a huge plus.

I need ...subcategories. Content Upload: images and articles in Arabic. all content is well-organized and properly formatted. SEO and Analytics: up a Google XML sitemap. Google Analytics. the site for SEO. Performance Optimization: caching solutions to improve site performance. other performance optimizations (e.g., image compression, minifying CSS/JS). Security and Maintenance: and configure security plugins to protect the site. up regular backups. the WordPress core, themes, and plugins are updated regularly. Final Review and Testing: a thorough review of the site. all functionalities to ensure everything works correctly. any necessary adjustments based on testing feedback.

...create a modern, user-friendly recruitment website for my business. The project should be completed within a month from now. The website should feature: - Job Posting Board: The site needs a section where job listings can be posted. The job board should be easily navigable, with filtering options for job seekers. - Candidate Database: It should have a database where potential employees can create profiles, upload their resumes, and apply to job postings. - Customizable Forms: I require the ability to add customizable forms for job applications, contact information, etc. - About the Business: A page dedicated to the information about the recruitment business. - Legal and Privacy Policy: A separate section for legal and privacy policies. Key design elements I'm looking for i...

I am using the ShopWired ecommerce platform and am using the Themia theme You can see the Themia theme on their demo website at I need a coder to create for me a new SCSS file in the theme files which i will use to control the colours of every single available element on every single page So you will need to go through the entire website, and for every single element you will need to identify and create/add the selector and existing colour These selectors must be defined with minimal specificity locate the necessary selectors for every single element and I estimate that this will be around 1,000 individual selectors/selector groups Everything will be thoroughly tested after completion so everything must work 100% correctly The file must be split into sections so it is easy ...

Introduction We are seeking pr...information: • Company Background: Brief overview of your company, including years in business, core competencies, and relevant experience. • Project Approach: Detailed description of your proposed approach to meeting the project scope and deliverables. • Technology Stack: Information on the technologies, tools, and platforms you plan to use for data collection, storage, and analysis. • Team Composition: Profiles of the team members who will be working on this project, including their roles, experience, and qualifications. • Timeline: Proposed project timeline, including key milestones and estimated completion dates. • Case Studies: Examples of similar projects you have completed, including objectives, approach, outcomes...

...to search and filter tutors - Capability to book one-on-one and group tutoring sessions - Possibility to leave reviews and ratings - Sign up for subscriptions - Integration with Bigbluebutton tool - Payment options through Stripe Connect, Google and Apple Pay, among other methods - Calendar synchronization with Google and Apple. For Tutors (as a minimum): - Functionality to create and manage profiles - Ability to set availability and schedule - Receive tutoring session bookings - Opt in for subscription for repeated lessons. For Admin (as minimum): -Dashboard -payout Ideal freelancers for this project will be proficient in not only the development of digital marketplaces but also in integrating third-party tools such as Bigbluebutton, Stripe Connect, and Google/Apple API...

...Rooms - Electricity Lightning Bolt - Smart Car Animated Ant Tracks showing movement between the house, grid, solar panels, and electric car Technical Specifications: - Graphics should be high-resolution and optimized for web use. - Animations should be smooth and optimized for performance. - Preferred formats for static graphics: PNG, SVG. - Preferred formats for animations: GIF, SVG, or CSS animations. All graphics and animations should be scalable and responsive to different screen sizes. Deliverables: - A set of static images for each item listed in the "Static Graphics" section. - A set of animated diagrams for each item listed in the "Animated Diagrams" section. - Source files (e.g., PSD, AI) for all graphics. Instructions on how to i...

I'm in need of a proficient developer with experience in WPML to help resolve a few issues on my website. Currently, the Portuguese pages are not linked correctly to their respective English counterparts. Specific challenges I'm facing inclu...troubleshoot and fix translation errors - Experience in addressing layout issues Additional tasks: - I've also mentioned the need for some 'minor removals', which I'll provide more information on during our discussion. Ideal skills and experience for the job: - Prior experience with WPML and multilingual website management - Strong understanding of translation and localization - Proficiency in HTML, CSS, and WordPress - Strong communication skills to understand the minor removals required. Looking forward to ...

I'm dealing with a critical issue related to fake accounts on Instagram and Fac...identities for Court purposes. I am already involved in an open lawsuit with the one believed to be the source for obvious reasons, but need solid evidence to prove harassment of these fake accounts. Your Experience: • You should present your experience in tracking down fake profiles. • Familiarity and skill in dealing directly with these platforms is a must. - Able to produce records for legal purposes. Project Expectations: • Leverage your past experience to track down the IP address and identity behind these profiles. • I emphasis on performing the task via direct communication with the relevant platforms. Don't just bring your experience - bring solutions...

...purchase. A subscription feature for recurring payments is also required. For content, the site will publish original articles and host embedded video tutorials sourced from YouTube and Instagram (produced by us). The content management system must offer an intuitive interface for creating and organizing multimedia posts. Community engagement is important. As such, a discussion forum with user profiles, threads, and moderation tools will be developed. Members can participate in topic-based conversations and interact and help each other. Strong PHP, JavaScript, and database skills are needed to build a robust and scalable platform. Expertise in ecommerce and content management frameworks like WooCommerce and WordPress is preferred. Design capabilities are a plus. The qualified ...

I am using the ShopWired ecommerce platform and am using the Themia theme You can see the Themia theme on their demo website at I need a coder to create for me a new SCSS file in the theme files which i will use to control the colours of every single available element on every single page So you will need to go through the entire website, and for every single element you will need to identify and create/add the selector and existing colour These selectors must be defined with minimal specificity locate the necessary selectors for every single element and I estimate that this will be around 1,000 individual selectors/selector groups Everything will be thoroughly tested after completion so everything must work 100% correctly The file must be split into sections so it is easy ...

I have a Python notebook containing well-structured code that effectively translates a sample of a large dataset from English to Arabic. However, the current code cannot handle the entire dataset due to its size. using : model_name = 'Helsinki-NLP/opus-mt-en-ar' Tasks: - Modify the existing Python code in the provided notebook to translate the entire dataset from English to Arabic. - Ensure the translated data is saved in two formats: Comma-Separated Values (CSV), and Apache Parquet (.parquet) - Provide the CSV and parquet files after saving (most run and give results)

Re designing CSS menu

I'm l...necessary APIs for smooth operation - Configure and optimize the server for best performance Front End Developer Responsibilities: - Fix WooCommerce related issues - Resolve theme errors and ensure smooth functioning - Correct responsive design issues and CSS conflicts - Undertake necessary programming tasks related to the theme Ideal candidates should: - Have a strong understanding of WordPress - Be proficient in WooCommerce and its ecosystem - Be skilled at resolving theme errors and coding - Be experienced in handling responsive design and CSS issues - Possess good programming skills for custom theme requirements Please note that the theme errors need to be handled with precision and efficiency. The project success will depend on how well these issues are a...

I'm in need of a talented web developer to create a corporate website for my business. This project has a time constraint, so I'd like the website to be co...website that clearly represents my business and services. - It should be user-friendly with easy navigation for potential clients. - Mobile responsiveness is vital. The website should adapt well to various screen sizes and devices. Ideal Skills and Experience: - Proven experience in developing corporate websites is a must. Please provide examples of your previous work. - Proficiency in HTML, CSS, JavaScript and other relevant web development technologies. - Understanding of SEO practices to optimize the website for search engines would be a plus. Looking forward to receiving proposals from experienced and innova...

Requirements: - Vuejs, Nuxtjs - Tailwind CSS - Supabase/PostgreSQL - Nodejs/Deno - Typescript - Responsive Design - Maintainable and readable code - APIs - Authentication, Authorization, Roles & Permissions - Docker - Bonus: Tests Job: - Program members portal (tasks, events, payments, backoffice) - Blog & Blog backoffice with - Create and use queries and mutations - Newsletter: manage emails and newsletter backoffice (sendgrid and others) - Manage registrations (calendly like) 12 Pages: - Portal Login - Registration - Portal Dashboard - Portal Events - Portal Tasks - Portal Profile - Portal Settings - Portal Payments - Backoffices - Blog Main - Blog Single - Others

I'm in need of an experienced mobile app developer who can build a video content platform for both iOS and Android. The app will function similarly to a video-sharing website such as Youtube. Key Features: - User Profiles: Users should be able to create personalized profiles to track their video watching history, subscribe to content creators, and access other features. - Video Recommendations: The app should recommend videos to users based on their viewing history and preferences. - Search Functionality: A powerful search engine that allows users to find videos based on keywords, categories, and content creators. Your expertise in cross-platform app development and video content platform creation will be crucial for the success of this project. Please provide examples...

I'm looking for a skilled website developer to create a modern and sleek website for my target audience of young adults. Key Requirements: - The main purpose of the website is to inform visitors about our services and offerings. Therefore, we need a design th...sleek, catering to the tastes of our target audience. Ideal Skills and Experience: - Strong understanding of web design principles and trends, particularly with a focus on clean and modern aesthetics. - Previous experience developing informational websites, particularly those targeted at young adults, would be highly beneficial. - Proficiency in web development tools and platforms such as HTML, CSS, and WordPress. If you're a website developer who can create a visually engaging and user-friendly website, I'...

I'm in need of a talented developer to design and establish a platform that connects volunteers with nursing homes. The features do include: - User profiles which will consist of the name, contact information, as well as skills and interests. - Search and filtering options that will make finding specific user profiles easier. - A user-friendly messaging functionality for enhanced communication. The user roles on the platform are divided into two categories: - Volunteers who will utilize this platform to seek service opportunities in nursing homes. - Administrators in charge of monitoring and managing the platform. The ideal freelancer for this project should have experience in web development with a focus on user interface design and backend functionality. Balancing...

...website, not a WordPress or Shopify site. - The CMS should have robust product management tools, allowing me to add, remove, or update items under different categories. - Content editing is essential. I need to be able to update the content of the site regularly. - The CMS should also include user account management. This will allow registered customers to have accounts on the site with their own profiles, order history, etc. - Additionally, I need the ability to send promotion messages to registered customers. This will be a key part of our marketing strategy. Payment Gateway: - The site should integrate Square as the payment gateway. Ideal Skills and Experience: - Experience in developing custom e-commerce websites. - Proficiency in CMS development. - Strong understanding o...

...customers. 2. App css injection - Ability to inject custom CSS code into the main app (portal has this option, need to copy paste for the company field) this is in order to enable RTL for RTL language users. CSS can be given. CSS can also be hard coded, only used for RTL. but should only be enabled if user selected either Hebrew or Arabic as language. 3. Expenses sub category - expenses add a sub category (now only category exists), also define how much % of the expense is approved. For example, in some countries if you report car gas expense, only 45% will be acknowledged as expense from the total sum. so 45% from the total expense should go into the reporting. The ideal candidate will be an individual or team with extensive experience in Invoice N...

I'm looking for a skilled Android app developer to create a user-friendly e-commerce app. The app will need to have: - User Registration and Login: The primary functionality that allows users to create their profiles and login securely. The ideal candidate should have prior experience in developing Android e-commerce apps and should be familiar with best practices in terms of user registration and login systems. Your attention to detail and commitment to producing a high-quality, reliable application are essential. Feel free to showcase any relevant portfolio items when bidding.

I'm seeking an experienced Node.js developer for a full-stack project. This will involve both front-end and back-end development. Ideal Skills and Experience: - Strong knowledge of Node.js - Proficiency in front-end technologies, such as HTML, CSS, and JavaScript - Experience with front-end frameworks like React or Angular - Knowledge of database integration - RESTful API development experience - User authentication and management I'm open to discussing the specific features and functionalities you can bring to the project.

I need an expert in Python for maintenance tasks on some existing code. Key Tasks: - **Bug Fixing:** This code has some bugs that need to be identified and fixed to ensure its proper functioning. - **Code Optimization:** Your expertise is crucial to streamline and optimize the performance of the existing code. Ideal Candidate: - Proficient in Python - Experienced in code maintenance - Skilled in bug fixing and code optimization.

I'm looking for a seasoned C++ expert to optimize a codebase for improved readability and maintainability. Your primary goal in this project will be to ensure the code is easier to understand and work with in the long run. Key Responsibilities: - Analyzing the existing C++ code and identifying areas for improvement. - Implementing optimization strategies to enhance the code's readability and maintainability. Ideal Qualifications: - Extensive experience in C++ development, specifically in optimizing code. - Proven track record of enhancing code readability and maintainability. - Strong understanding of best practices in C++ development. I'm open to discussing the specifics of the project with the selected expert.

I'm looking for an Angular developer who can help me ensure my project is responsive across all devices, including desktops, mobile phones, and tablets. Ideal skills: - Strong proficiency with Angular and responsive design concepts - Understanding of CSS and media queries - Experience with cross-browser compatibility - Able to work independently and meet deadlines Your primary task will be to design and implement a responsive layout that's user-friendly and visually appealing on all devices. Please note that I do not have any specific color scheme or branding guidelines, so you'll have the creative freedom to suggest a design that complements the responsiveness of the project. Looking forward to seeing your proposals.

I'm looking for a skilled web designer, fluent in the Arabic language, experienced in creating corporate websites. The primary goal of our website is to disseminate company information thoroughly. Your expertise should enable you to include essential elements such as: - Our company's history and mission - Detailed descriptions of our products and services - Profiles of our team and leadership In addition to these core elements, we'd like to include a news section on our site. This should be regularly updated with fresh content related to our company's activities and industry trends. Your experience in UX/UI will ensure the website is user-friendly, intuitive navigation and adaptable to mobile devices. An understanding of SEO is a plus for increasing our onlin...

I'm in need of a talented web designer to create a professional, sleek and modern landing page. The purpose of this page is to promote a product or service, while also providin... Key requirements include: - The landing page should have a modern and sleek design, aligned with our brand's aesthetics. - It should be responsive and compatible across different devices and browsers. - The CTA for the newsletter sign-up should be prominent and strategically placed. - The overall look and feel of the page should be minimalistic but engaging. Skills and experience in HTML and CSS are essential, as you'll be expected to convert the design into a fully functional webpage. A good eye for UX/UI design is also a plus, as the page should not only look good but also be user-friend...

I'm i...be in a creative and modern style. Key Requirements: - Design a digital profile in the form of a PDF or PowerPoint. - The profile should be attractive to prospective clients and investors with a creative and modern aesthetic. - The design should be aligned with the tone and style of our company. Ideal Skills: - Proficiency in graphic design software. - Previous experience in creating company profiles especially for client acquisition and investor attraction. - Ability to understand and adhere to the company's tone and style requirements. Deliverables: - A high-quality, digital company profile in PDF and PowerPoint formats. - The profile should reflect a creative and modern aesthetic, suitable for attracting both clients and investors. I look forward to revie...

I am in need of an experienced developer who can help build a web application using HTML, CSS, and JavaScript. The web app should be designed with interactive features, specifically real-time data updates. Key Features: - The app should display the current time and date for different time zones in real time Skills and Experience Required: - Proficiency in HTML, CSS, and JavaScript - Experience in building web applications with real-time data updates - Knowledge of time zones and working with time and date in JavaScript Please let me know if you're the right person for this job.

solana nodejs code for multi-swap within same tx.

I'm looking for an experienced CV and LinkedIn editor, preferably someone well-versed in the technology industry, to help me tighten up my CV for th...the technology sector. - With regards to my LinkedIn profile, the focus areas will be on enhancing the Summary and Experience sections and also, improving the Skills and Endorsements section. Ideal Freelancer: - Should have experience in editing CVs and LinkedIn profiles, with a preference for those who have worked with clients from the technology industry. - Strong familiarity with the recruitment process and the kind of details that recruiters look for in a potential candidate's CV. - Prior experience in enhancing LinkedIn profiles for better professional opportunities would be a plus. - Proficient in English and ...

I'm working on a school project that involves the development of a Coal Mining Security Alert System. I need someone who can code in Quarky to create this block code system. Unfortunately, I haven't gotten to the point of defining the complete scope of the project, but I'd like to start with the code development. I'm looking for someone who can: - Use Quarky to build a block code system - Understand and implement basic security alert functionalities - Be ready for subsequent feature additions and changes Key Features: = Face Detection: Implement face detection functionality to identify individuals within the mining area. = PPE Kit Verification: Utilize image processing techniques to ensure that miners are wearing proper PPE kits. The system...

...particularly interested in incorporating scrolling animations to bring dynamism to the site. - An interactive contact form is essential to facilitate client engagement. Ideal Skills and Experience: - Strong proficiency in React and JavaScript to ensure robust website functionalities. - Prior experience in portfolio website development, with a focus on aesthetics and user experience. - Expertise in CSS and animations to implement smooth and visually engaging scrolling effects. - Experience with implementing and customizing interactive contact forms. - Attention to detail, creativity, and the ability to translate my vision into a functional, visually appealing website. If you're confident in your ability to deliver a cutting-edge, responsive, and dynamic portfolio website, I...

We have a program on C# written on Visual Studio. We want to modify the current program, which read bar codes on a warehouse, for other sections of the company. On this project we will like it to get information from different Oracle tables. Job is to use the original code that we provide and make modifications to adapt to our new requirements.

I am seeking a pro...Booking System: Patients should be able to book appointments with ease. It should display available dates and time slots, provide appointment confirmation and reminders. - A Patient Registration Form: For efficient management of patient information, the website should feature a seamless online registration form. This would result in easier record-keeping and patient scheduling. - Doctors' Profiles: A dedicated section to showcase our doctors’ credentials, their specializations, and experience. This will aid patients in choosing the appropriate healthcare provider. Ideal freelancers will have exemplary skills in web development, with a keen eye for modern design. Familiarity with healthcare systems and previous work of a similar nature will be h...

I am in need of an experienced developer who can help build a web application using HTML, CSS, and JavaScript. The web app should be designed with interactive features, specifically real-time data updates. Key Features: - The app should display the current time and date for different time zones in real time Skills and Experience Required: - Proficiency in HTML, CSS, and JavaScript - Experience in building web applications with real-time data updates - Knowledge of time zones and working with time and date in JavaScript Please let me know if you're the right person for this job.

I'm looking to establish a Shopify store primarily aimed at women in their 20s to 50s. This online space will be packed with physical products and needs to reflect an elegant and sophisticated aesthetic. Requirements: - Bu...design - Knowledge on Shopify tools to effectively present physical products - Understanding the preferences of the targeted demographic (women in their 20s to 50s) - Prior experience with creating online stores targeting a similar audience is preferred Skills: - Proficient with Shopify platform - Strong understanding of e-commerce UX best practices - Excellent visual design skills - Experience in CSS/HTML - Knowledge about product presentation in an online setting - Able to accomplish an 'Elegant and sophisticated' aesthetic with the design....

I'm looking for a skilled web designer with a touch of creativity to design an eCommerce website. What's paramount to me is not just the functionality of the ...graphics for enhancing the site design and establishing brand identity. - The logo design should be adaptable and able to fit into various applications such as app logos, brand logos, etc. Key Elements For Design: - Incorporating symbols or icons. - Unique text or typography. - Complementary color schemes. Ideal Candidate Skills: - Proven experience in web and graphic design. - Proficiency in HTML, CSS, JavaScript or related. - Portfolio showcasing previous design work. - Attention to details in creating engaging designs. I'm excited about finding the right match for this project. If you think that's y...

I'm looking for a skilled programmer who can develop a custom solution for me using frida-tools. The goal is to manipulate webcam settings within an Android emulator environment via adb. Here's what I need: - Modify the current webcam resolution to be higher. - Improve the webcam image quality to support High Dynamic Range (HDR). - Ensure frida-tools can adjust parameters to emulate native library detection. What I require from you: - Experience with frida-tools and adb commands. - Understanding of Android emulator environments. - Proficiency in webcam technology, including resolution and HDR. - Capability to simulate native Android library detections. Freelancers with prior projects involving webcam customization or Android emulation will be preferred. If you have the techn...

I'm looking for a skilled web designer with a touch of creativity to design an eCommerce website. What's paramount to me is not just the functionality of the ...graphics for enhancing the site design and establishing brand identity. - The logo design should be adaptable and able to fit into various applications such as app logos, brand logos, etc. Key Elements For Design: - Incorporating symbols or icons. - Unique text or typography. - Complementary color schemes. Ideal Candidate Skills: - Proven experience in web and graphic design. - Proficiency in HTML, CSS, JavaScript or related. - Portfolio showcasing previous design work. - Attention to details in creating engaging designs. I'm excited about finding the right match for this project. If you think that's y...

I'm in need of an experienced Android app developer to create a social networking application. The key features of the app are: - User profiles and authentication: The app should allow users to register, create profiles, and securely authenticate themselves. - In-app messaging and notifications: The app needs to have a messaging system where users can communicate with each other, as well as a notifications feature to keep users updated on activity. - Photo and video sharing capabilities: The app should enable users to share photos and videos with their network. The project has no strict deadline, but a timely completion is appreciated. I'm looking for a developer with a strong background in building social networking apps, as well as the following skills: - Pro...

I'm seeking a skilled developer to create a website for me. I'd like the site to have a c...site to have a clean and professional design, similar to examples mentioned: and Key Requirements: - Develop a website with a "Clean & Professional" design style - Ensure that the site is responsive and mobile-friendly Skills and Experience: - Proven experience in web development - Strong proficiency in front-end development languages (HTML, CSS, JavaScript) - Familiarity with popular web development frameworks and CMS (e.g. WordPress) - A good eye for design and the ability to create visually appealing websites If you have a portfolio that showcases your work on similar projects, that would be a great plus. Looking forward to seeing your bids.

I'm seeking a proficient fullstack developer with a deep understanding of HTML/CSS/JavaScript and React. The primary mission will be to assist in building a progressive web app. Key Responsibilities: - Craft high-quality code for my progressive web app - Facilitate, implement, and manage React-centric tasks Skills and Experience: - Comprehensive understanding of HTML/CSS/JavaScript - Proven experience with React - Previous work with progressive web apps is a plus