.example

#example

element.example

example

E#id

.class

#id

*

h1.hover

h1*hover

h1:hover

h1-hover

:target

:selection

::selection

URO

:root

:nth-of-type(n)

:only-child

none of the mentioned

Tag > Class > ID

Class > Tag > ID

ID > Class > Tag

Universal > ID > Class

content p

p.content

.content > p

p .content

[attr]

[attr=""]

[attr=*]

attr[ ]

Selects all elements

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

tag

id

class

both class and tag

E ~ F

::after

:checked

None of these

#classname

.classname

element.classname

*classname

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

E.class

E~F

*

E,F,G

tag

class

id

div

A → 4, B → 3, C → 2, D → 1

A →5, B → 4, C → 3, D → 2

A → 6, B → 2, C → 3, D → 4

A → 5, B → 2, C → 3, D → 6

ul > li

ul li

ul + li

ul ~ li

Name

ID

Class

Tag

input:checked

input:focus

input:hover

input:active

focus

hover

active

checked

:valid

:required

:optional

:invalid

E[attr^=value]

E[attr$=value]

E[attr*=value]

None of these

:focus

:active

:hover

:visited

:nth-child(last)

:last-child

:only-child

:nth-last-child(1)

Combinator selector

Pseudo Class selector

Pseudo elements selector

Attribute selector

Universal Selector (*)

Tag Selector

Class Selector

ID Selector

h1 h2 h3

h1+h2+h3

h1,h2,h3

h1>h2>h3

A → 2, B → 1, C → 3, D → 6

A → 2, B → 1, C → 3, D → 4

A → 2, B → 5, C → 3, D → 4

A → 5, B → 1, C → 3, D → 4

:default

:%

:disabled

None of these

class

id

article

html

:element

:empty

:enabled

None of these

input.required

input[required]

input(required)

input::required

class

id

type

None of the above

mouse over

mouse hover

hover

mouse move

A →1, B →5, C → 3, D → 4

A → 2, B → 3, C → 1, D → 4

A → 2, B → 6, C → 4, D → 3

A → 5, B → 3, C → 2, D → 4

A → 2, B → 5, C → 3, D → 4

A → 2, B → 6, C → 3, D → 4

A → 5, B → 1, C → 3, D → 4

A → 2, B → 1, C → 3, D → 4

~

>

+

*