a:active
Selects the active link
input:checked
Selects every checked input element
input:disabled
Selects every disabled input element
p:empty
Selects every p element that has no children
input:enabled
Selects every enabled input element
p:first-child
Selects every p elements that is the first child of its parent
p:first-of-type
Selects every p element that is the first p element of its parent
input:focus
Selects the input element that has focus
a:hover
Selects links on mouse over
input:in-range
Selects input elements with a value within a specified range
input:invalid
Selects all input elements with an invalid value
p:lang(it)
Selects every p element with a lang attribute value starting with "it"
p:last-child
Selects every p elements that is the last child of its parent
p:last-of-type
Selects every p element that is the last p element of its parent
a:link
Selects all unvisited links
:not(p)
Selects every element that is not a p element
p:nth-child(2)
Selects every p element that is the second child of its parent
p:nth-last-child(2)
Selects every p element that is the second child of its parent
p:nth-last-of-type(2)
Selects every p element that is the second p element of its parent
p:nth-of-type(2)
Selects every p element that is the second p element of its parent
p:only-of-type
Selects every p element that is the only p element of its parent
p:only-child
Selects every p element that is the only child of its parent
input:optional
Selects input elements with no "required" attribute
input:out-of-range
Selects input elements with a value outside a specified range
input:read-only
Selects input elements with a "readonly" attribute specified
input:read-write
Selects input elements with no "readonly" attribute
input:required
Selects input elements with a "required" attribute specified
root
"Selects the documents root element"
#news:target
Selects the current active #news element (clicked on a URL containing that anchor name)
input:valid
Selects all input elements with a valid value
a:visited
Selects all visited links