CSS Selectors Quiz

#1 Which of the following is a valid selector?

[class^=box]

[class%=box]

[class!=box]

[class?=box]

#2 Which selector has the highest specificity?

div > img.box

img:nth-of-type(3)

img + img + img

img:not(:first-child)

#3 The > [greater-than symbol] is called

Subsequent-sibling combinator

Child combinator

Next-sibling combinator

Descendant combinator

#4 How to select the first image inside a div?

div:first-child img

img:first-child(div)

div:nth-child(1) img

div img:first-of-type

#5 We can group different selectors using

comma

space

dot

We cannot group selectors

#6 Which selector has the lowest specificity?

div.box

div:nth-of-type(3n + 2)

div > *:not(div)

div > *:last-child

#7 Which of the following is an invalid selector?

> *

* * + *

* * *

* + :first-child

#8 Which selector has the lowest specificity?

* > *:last-child

div + div:not(.box)

* + * + *

div > *

#9 Which selector has the lowest specificity?

.box

.box:not(div)

*:not(div)

[class="box"]

#10 The ::before is called

Pseudo-attribute

Pseudo-selector

Pseudo-element

Pseudo-class

#11 Which selector has the lowest specificity?

div

::before

:root

*

#12 Which of the following is an invalid selector?

:last-child

:only-child

:first-child

:empty-child

#13 Which of the following will select nothing?

*:only-child:nth-child(n)

*:nth-child(-n)

*:first-child:last-child

*:nth-last-child(n + 2):nth-child(n)

#14 How to select the “before the last” image inside a div?

div img:last-child(-1)

div img:nth-child(n - 1)

div img:nth-last-child(2)

div img:last-child(2)

#15 Which selector has the highest specificity?