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
focus
hover
active
checked
:nth-child(last)
:last-child
:only-child
:nth-last-child(1)
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
input:checked
input:focus
input:hover
input:active
Selects the first child of an element
Selects all sibling elements
Selects the immediately next sibling of an element
Selects the parent of an element
Selects all siblings after a specified element
Selects only the first sibling of a specified element
Selects only the last sibling of a specified element
<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
background-color
background
background-image
both b and c
background-position
background-iterate
tag
id
class
both class and tag
text-first
text-indent
first-indent
text-first-indent