HTML & CSS Definitions Worksheet: CSS Fundamentals and Advanced CSS & Layout (Modules 31–41)
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Key terms
Write what each term means, in your own words.
1
<textarea>
2
<option>
3
<link>
4
p { }
5
.classname
6
#id
7
div p
8
pseudo-class
9
specificity
10
#rrggbb
Answer Key
HTML & CSS · Modules 31–41 · Student wording will vary for definitions
1<textarea> — An HTML element that creates a multi-line text input. Unlike <input>, it requires opening and closing tags. Default content goes between them.
2<option> — An HTML element placed inside <select> to provide one choice in a dropdown. Its value attribute is sent when the form submits; its text content is what the user sees.
3<link> — A self-closing HTML element placed in <head> that connects an external CSS file. Its rel attribute must be "stylesheet" and href provides the file path.
4p { } — An element selector that targets every <p> element on the page. The tag name is used directly as the selector, followed by a CSS declaration block.
5.classname — A CSS selector that targets every element whose class attribute matches classname, written with a leading dot
6#id — A CSS selector that targets one unique element by matching its id attribute; written as a hash symbol followed by the id value
7div p — A space combinator like 'div p' targets every p inside a div. Combinators (space, >, +, ~) select by relationship; a comma groups selectors so several share one rule.
8pseudo-class — A keyword added after a selector with a colon that targets an element based on its state or position, e.g. :hover or :focus.
9specificity — A score that determines which CSS rule wins when multiple rules target the same element; higher score beats lower
10#rrggbb — A CSS hex colour code. Six hexadecimal digits (0–9 and A–F) define red, green and blue channels. Shorthand: #rgb uses one digit per channel.