A web designer uses Cascading Style Sheets (CSS) to style a website. (a) Explain what CSS is and what it is used for. [2] (b) Give three advantages of using...
Question 1 Report
A web designer uses Cascading Style Sheets (CSS) to style a website.
(a) Explain what CSS is and what it is used for. [2]
(b) Give three advantages of using an external CSS file rather than applying styles directly to each HTML element. [3]
(c) Explain what is meant by 'cascading' in CSS. [1]
Answer Details
(a) CSS (Cascading Style Sheets) is a stylesheet language used to control the visual appearance and layout of HTML elements on a web page. [1] It separates the content of a page (defined in HTML) from its presentation (defined in CSS), allowing designers to change the entire look of a website without altering the underlying HTML structure. [1]
(b) Three advantages of using an external CSS file:
- Style changes only need to be made in one central CSS file, and those changes automatically apply to every page that links to it, saving significant time on a multi-page site. [1]
- All pages on the website share the same stylesheet, guaranteeing a consistent visual appearance across the entire site. [1]
- The HTML files are smaller and cleaner because they do not contain inline style code. This improves loading speed and makes the HTML easier to read and maintain. [1]
(c) "Cascading" means that when multiple style rules could apply to the same element, CSS resolves the conflict by applying rules in a defined order of priority (specificity and source order) to determine which style ultimately takes effect. [1]
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