CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 881 · 40 questions

Code tip (Rule, then maths): Find the topic: syntax, selectors, properties, colours, box model, cascade, flexbox or media queries. Decide which rule or property applies to the element. For sizes, write the sum down: both sides for the box model, free space for flexbox.

NameDateTime takenScore ___ / 40

1.🎯 Which element does the selector h2 style? (a) <div class="box"> (b) <li> (c) <h2 class="box"> (d) <span id="main">
2.🌈 In #002300 the green part is the hex number 23. What is it as a normal number?
3.Which of these is padding? (a) the line round the box (b) the gap round content (c) the text or picture (d) space outside the border
4.📱 max-width: 600px applies when the screen is ___. (a) turned off (b) exactly 1000px (c) 600px or wider (d) 600px or narrower
5.📦 In the box model, which part is space inside the border? (a) content (b) margin (c) padding (d) border
6.✍️ What value is given to font-size in this rule?
body {
  color: red;
  font-size: 20px;
  border: 2px solid;
} (a) 20px (b) center (c) font-size (d) yellow
7.✍️ What is the selector in this CSS rule?
.box {
font-size: 20px;
color: red;
} (a) font-size (b) .box (c) h2 (d) red
8.💪 Which flexbox property spaces boxes along a row? (a) gap (b) flex-direction (c) justify-content (d) display: flex
9.🌈 Which colour of light is strongest in rgb(36, 190, 114)? (a) green (b) red (c) blue
10.💪 How wide (px) is each gap between two boxes?
.row {
  display: flex;
  width: 350px;
  justify-content: space-between;
}
Inside are 4 boxes, each 50px wide (no margins).
11.📦 How much space across (px) does this box take in all, margin included?
.box {
  width: 70px;
  padding: 15px;
  border: 3px solid black;
  margin: 15px;
}
12.🖌️ Which CSS property makes the text bold? (a) font-family (b) font-weight (c) text-align (d) color
13.⚖️ What colour is the text of this element?
<h1 class="note" id="top">Hi</h1>
CSS:
.note { color: red; }
.note { color: white; } (a) purple (b) green (c) white (d) red
14.✍️ Which property is set to 300px in this rule?
#top {
font-style: italic;
width: 300px;
} (a) width (b) color (c) font-style (d) 300px
15.⚖️ What colour is the text of this element?
<h1 class="big" id="top">Hi</h1>
CSS:
.big { color: green; }
#top { color: red; }
h1 { color: white; } (a) red (b) green (c) white (d) orange
16.✍️ What is the selector in this CSS rule?
#top {
  width: 300px;
  font-size: 20px;
  padding: 8px;
  border: 2px solid;
} (a) width (b) 20px (c) li (d) #top
17.✍️ How many declarations (property: value pairs) are in this rule?
.note {
width: 300px;
margin: 10px;
}
18.🧩 Which language gives the page structure? (a) CSS (b) HTML (c) JavaScript
19.📦 In the box model, which part is space outside the border? (a) padding (b) margin (c) content (d) border
20.What does justify-content: space-between do? (a) puts boxes in the middle (b) equal gaps, none at ends (c) packs boxes at the end (d) packs boxes at the start
21.🎯 Which element does the selector p style? (a) <li id="intro"> (b) <p class="menu"> (c) <h2 class="menu"> (d) <h1>
22.💪 Which flexbox property turns on flexbox? (a) flex-direction (b) display: flex (c) align-items (d) justify-content
23.True or false: li is an element selector. (a) True (b) False
24.🌈 Which colour is #ffffff? (a) yellow (b) magenta (c) white (d) red
25.True or false: .star is an id selector. (a) True (b) False
26.🎯 Which CSS selector matches this element?
<li class="note" id="end">Hello</li> (a) .end (b) #end (c) #hero (d) #note
27.🖌️ Where does the text sit on its line?
h1 {
  font-size: 28px;
  text-align: center;
  color: green;
  background-color: blue;
} (a) in the middle (b) on the left (c) on the right
28.🔍 Which is the odd one out? (a) shows a pop-up message (b) makes a form box (c) checks a quiz answer (d) reacts to a button click
29.🎯 Which element does the selector div style? (a) <p class="star"> (b) <span> (c) <h1 id="main"> (d) <div class="star">
30.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
p {
  font-size: 12px;
}
@media (max-width: 600px) {
  p {
    font-size: 8px;
  }
}
31.🎯 Which CSS selector matches this element?
<h1 class="menu" id="main">Hello</h1> (a) .main (b) #logo (c) h1 (d) .note
32.✍️ How many declarations (property: value pairs) are in this rule?
p {
  width: 300px;
  font-style: italic;
  margin: 10px;
  background-color: yellow;
}
33.📱 What does a media query check? (a) the time of day (b) the page title (c) the battery level (d) the screen width
34.🎯 Which element does the selector #hero style? (a) <h1 id="hero"> (b) <h1 id="top"> (c) <h2 class="star"> (d) <h1 class="hero">
35.💪 How much empty space (px) is before the first box?
.row {
  display: flex;
  width: 360px;
  justify-content: center;
}
Inside are 4 boxes, each 50px wide (no margins).
36.💪 Which justify-content value packs boxes at the end? (a) flex-start (b) flex-end (c) center (d) space-between
37.✍️ How many declarations (property: value pairs) are in this rule?
.box {
  width: 300px;
  color: red;
  text-align: center;
  font-weight: bold;
}
38.📱 The screen is 1366px wide. What font-size (px) does the paragraph get?
p {
  font-size: 16px;
}
@media (min-width: 480px) {
  p {
    font-size: 24px;
  }
}
39.📱 The screen is 375px wide. Does the rule inside @media apply?
p {
  font-size: 20px;
}
@media (min-width: 600px) {
  p {
    font-size: 22px;
  }
} (a) Yes (b) No
40.💪 How wide (px) is each gap between two boxes?
.row {
  display: flex;
  width: 170px;
  justify-content: space-between;
}
Inside are 2 boxes, each 50px wide (no margins).

Answer key

<h2 class="box">
35
the gap round content
600px or narrower
padding
20px
.box
justify-content
green
50
136
font-weight
white
width
red
#top
2
HTML
margin
equal gaps, none at ends
<p class="menu">
display: flex
True
white
False
#end
in the middle
makes a form box
<div class="star">
12
h1
4
the screen width
<h1 id="hero">
80
flex-end
4
24
No
70

Free html and css lessons, practice and worksheets at talentjr.in/html-css-for-kids