Responsive Web Design enables websites to adapt seamlessly to different devices, ensuring a good user experience on desktops, tablets, and phones. It utilizes HTML and CSS techniques to resize, hide, shrink, or enlarge content dynamically. By setting the viewport with a <meta> tag, developers control page dimensions and scaling effectively.
Responsive images and text are key components of adaptive designs. Using CSS properties like width: 100% or max-width: 100%, images can scale smoothly without exceeding their original dimensions. Text sizes can be adjusted with viewport units like vw, and media queries allow defining styles specific to various screen sizes.
CSS frameworks like W3.CSS simplify the creation of responsive designs. W3.CSS supports desktop, tablet, and mobile layouts by default and is lightweight, fast, and independent of JavaScript libraries. Popular frameworks streamline development, offering free and easy-to-use solutions for building adaptive websites.