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CSS Reference

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CSS Properties

animation
appearance
backface-visibility
background
border
bottom
box
caption-side
clear
clip
color
column
content
counter-increment
counter-reset
cursor
direction
display
empty-cells
float
font
grid-columns
grid-rows
hanging-punctuation
height
icon
@keyframes
left
letter-spacing
line-height
list-style
margin
max-height
max-width
min-height
min-width
nav
opacity
outline
overflow
overflow-x
overflow-y
padding
page-break
perspective
perspective-origin
position
punctuation-trim
quotes
resize
right
rotation
rotation-point
table-layout
target
text
top
transform
transition
vertical-align
visibility
width
white-space
word-spacing
word-break
word-wrap
z-index

CSS :before Selector

Complete CSS Selector Reference Complete CSS Selector Reference

Example

Insert content before every <p> element's content:

p:before
{
content:"Read this: ";
}

Try it yourself »

Definition and Usage

The :before selector inserts content before the content of the selected element(s).

Use the content property to specify the content to insert.

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The :before selector is supported in all major browsers.

Note: For :before to work in IE8, a <!DOCTYPE> must be declared.

Related Pages

CSS tutorial: CSS Pseudo-elements

CSS Selector Reference: CSS :after selector

Examples

Try it Yourself - Examples


Example

Insert content before every <p> element's content, and style the inserted content:

p:before
{
content:"Read this -";
background-color:yellow;
color:red;
font-weight:bold;
}

Try it yourself »
Complete CSS Selector Reference Complete CSS Selector Reference
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