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CSS Reference

CSS Reference
CSS Selectors
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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 #id Selector

Complete CSS Selector Reference Complete CSS Selector Reference

Example

Style the element with id="firstname":

#firstname
{
background-color:yellow;
}

Try it yourself »

Definition and Usage

The #id selector styles the element with the specified id.

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The #id selector is supported in all major browsers.

Complete CSS Selector Reference Complete CSS Selector Reference
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