Which of the following is true about cascading style sheets (CSS)?

Cascading Style Sheets (CSS) is fundamentally designed to separate content from design, which is the key reason why the statement about CSS allowing for this separation is accurate. By using CSS, developers can apply styles to HTML elements independently of the HTML structure itself. This means that the same content can be presented in different ways by applying different stylesheets, making it easier to maintain and modify the presentation without altering the underlying content.

For example, a website can have a single HTML page that looks different in various styles based on the applied CSS file, which promotes flexibility, easier updates, and improved site maintenance. This separation improves accessibility and helps in ensuring that content is served in a consistent manner across different devices and screen sizes.

CSS also supports various design techniques such as responsive design, where the look of elements adapts based on different screen sizes, resolving any misconceptions about compatibility with responsive design. Similarly, CSS is not primarily for scripting functionality; those tasks are usually handled by languages like JavaScript, and while CSS can style HTML elements, it goes beyond static methods to include dynamic capabilities like animations and transitions.