What are the ways to use pseudo elements in css?

This article mainly introduces the use of pseudo elements in css, which has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

Set the first letter of the text to a special letter

Self-study course p:first-letter {color:#ff0000; font-size:xx-large;}

You can use the pseudo element "first-letter" to set a special style to the first letter of the text.

Set the first line of text to special

Self-study course p:first-letter {color:#ff0000; font-size:xx-large;}

You can use the pseudo element "first-letter" to set a special style to the first letter of the text.

Set the first letter of the first line of text to special

Self-study course p:first-letter {color:#ff0000; font-size:xx-large;} p:first-line {color:#0000ff; font-variant:small-caps;}

You can use a combination of "first-line" and "first-letter" pseudo elements to set special styles to the first line and first letter of the text.

Use: insert something before an element

Self-study course h2:before {content:url (smiley.gif);} Thisisaheading

The:beforepseudo-elementinsertscontentbeforeanelement.

Thisisaheading

Note: only if! DOCTYPE has declared that IE8 supports this content attribute

Use: insert something after an element

Self-study course h2:after {content:url (smiley.gif);} Thisisaheading

The:beforepseudo-elementinsertscontentbeforeanelement.

Thisisaheading

Note: only if! DOCTYPE has declared that IE8 supports this content attribute

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