#classname
.classname
classname
*classname
#idname {}
.idname {}
idname {}
*idname {}
spacing
line-height
text-height
text-spacing
font-weight
font-style
text-decoratio
text-weight
:link
:hover
:active
:focus
Opacity
Visibility
Stacking order
Font size
#
*
.
!
Font
font-family
type
margin
padding
border-spacing
inline
block
inline-block
flex
Selects all elements
Selects all child elements of a specified element
Selects all descendant elements
Selects the next sibling element
text-align: center;
margin: auto;
display: block;
float: center;
clear
overflow
z-index
display
transition-speed
animation-duration
. transition-duration
duration
@frames
@keyframe
@keyframes
@animation-frames
div, p
div + p
div p
div > p
<style src="style.css">
<link rel="stylesheet" href="style.css">
. <css link="style.css">
<script src="style.css">
.html
.css
.js
.style
rgba(255,55,255,1)
rgba(255,255,255,0.0)
rgba(255,55,255,.5)
None of these