CSS Selectors Quiz

#1 Which of the following is an invalid selector?

:first-child

:empty-child

:only-child

:last-child

#2 Which selector has the highest specificity?

img:not(:first-child)

img + img + img

img:nth-of-type(3)

div > img.box

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

Subsequent-sibling combinator

Descendant combinator

Next-sibling combinator

Child combinator

#4 Which selector has the highest specificity?

[box]

box

#box

.box

#5 The + [plus symbol] is called

Child combinator

Next-sibling combinator

Subsequent-sibling combinator

Descendant combinator

#6 Which selector has the highest specificity?

div div

*

div:nth-child(3n + 2)

*:not(.box)

#7 Which selector has the highest specificity?

div:only-child

*:first-child:last-child

div + div > *:first-child

div > * > *:not(:first-of-type)

#8 How to select a div with no content?

div:nth-child(0)

div:no-child

div:blank

div:empty

#9 How to target the content of the first line inside a div?

We cannot do this

div ::first-line

div::first-line

div::first

#10 Which selector has the lowest specificity?

*

::before

:root

div

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

div img:last-child(-1)

div img:last-child(2)

div img:nth-child(n - 1)

div img:nth-last-child(2)

#12 Which of the following is a valid selector?

[class%=box]

[class?=box]

[class^=box]

[class!=box]

#13 How to select all the images?

img:all

img *

img

* ~ img

#14 The ::before is called

Pseudo-element

Pseudo-class

Pseudo-attribute

Pseudo-selector

#15 Which of the following is an invalid Pseudo-class?