Difference between revisions of "ID selector (CSS)"
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Karl Jones (Talk | contribs) (Created page with "In CSS, an '''ID rule''' (or '''ID style rule''', or '''ID style''') is a style rule which selects zero or one HTML element based on the element's ID attribute (...") |
Karl Jones (Talk | contribs) (→Example) |
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ID style rule: | ID style rule: | ||
| − | < | + | <pre>#example { color: red}</pre> |
Element affected by rule: | Element affected by rule: | ||
| − | < | + | <pre> |
<div id="example">...</div> | <div id="example">...</div> | ||
| − | </ | + | </pree> |
In the above example, <code>div</code> is an arbitrary HTML element. Any other type of HTML element works the same. | In the above example, <code>div</code> is an arbitrary HTML element. Any other type of HTML element works the same. | ||
Revision as of 11:13, 9 February 2016
In CSS, an ID rule (or ID style rule, or ID style) is a style rule which selects zero or one HTML element based on the element's ID attribute.
Description
An ID rule must apply exactly one HTML element on a page (or no HTML element at all).
No two HTML elements on a given web page may have the same value for their ID attributes.
Example
ID style rule:
#example { color: red}
Element affected by rule:
<div id="example">...</div> </pree> In the above example, <code>div</code> is an arbitrary HTML element. Any other type of HTML element works the same. == See also == * [[Cascading Style Sheets]] * [[ID rule (CSS)]] * [[Style sheet (web design)]]
