CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 418 · 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.✍️ What is the selector in this CSS rule?
li {
  border: 2px solid;
  font-weight: bold;
  font-style: italic;
} (a) bold (b) li (c) body (d) border
2.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
  height: 190px;
  padding: 10px;
  border: 2px solid black;
  margin: 15px;
}
3.🌈 Which colour is rgb(0, 255, 0)? (a) red (b) bright green (c) yellow (d) white
4.📱 What does a media query check? (a) the battery level (b) the time of day (c) the screen width (d) the page title
5.✍️ How many declarations (property: value pairs) are in this rule?
li {
color: red;
background-color: yellow;
}
6.🌈 In #460000 the red part is the hex number 46. What is it as a normal number?
7.📱 The screen is 320px wide. Does the rule inside @media apply?
p {
  font-size: 12px;
}
@media (min-width: 1024px) {
  p {
    font-size: 18px;
  }
} (a) Yes (b) No
8.🖌️ How big is the text, in px?
h2 {
  text-align: right;
  color: yellow;
  background-color: red;
  font-size: 16px;
}
9.📦 How much space across (px) does this box take in all, margin included?
.box {
  width: 100px;
  padding: 10px;
  border: 5px solid black;
  margin: 20px;
}
10.🌈 Which colour is #ffffff? (a) bright green (b) white (c) red (d) magenta
11.🖌️ How big is the text, in px?
p {
  text-align: right;
  color: yellow;
  background-color: red;
  font-size: 24px;
}
12.✍️ Which property is set to 20px in this rule?
li {
  font-style: italic;
  text-align: center;
  font-weight: bold;
  font-size: 20px;
} (a) 20px (b) font-size (c) text-align (d) background-color
13.🎯 What kind of selector is .card? (a) an element selector (b) a class selector (c) an id selector
14.⚖️ What colour is the text of this element?
<h2 class="star" id="hero">Hi</h2>
CSS:
.star { color: blue; }
.star { color: green; } (a) yellow (b) orange (c) green (d) blue
15.🔍 Which is the odd one out? (a) gives the page structure (b) makes headings and lists (c) makes a form box (d) counts down a timer
16.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
p {
  font-size: 20px;
}
@media (max-width: 600px) {
  p {
    font-size: 14px;
  }
}
17.🎨 One CSS file can style how many pages? (a) only one image (b) only one word (c) many pages (d) no pages
18.🖌️ Which CSS property sets the letter colour? (a) font-family (b) text-align (c) font-size (d) color
19.⚖️ What colour is the text of this element?
<p class="star" id="main">Hi</p>
CSS:
#main { color: red; }
#main { color: black; } (a) yellow (b) red (c) black (d) white
20.⚖️ Which selector is the strongest? (a) an element selector (b) a class selector (c) an id selector
21.✍️ What is the selector in this CSS rule?
.box {
  margin: 10px;
  padding: 8px;
  font-size: 20px;
  width: 300px;
} (a) h2 (b) .box (c) margin (d) 8px
22.📱 min-width: 800px applies when the screen is ___. (a) exactly 100px (b) turned off (c) 800px or wider (d) 800px or narrower
23.🎯 Which CSS selector matches this element?
<p class="star" id="intro">Hello</p> (a) #main (b) .star (c) #star (d) .intro
24.💪 Which flexbox property turns on flexbox? (a) flex-direction (b) justify-content (c) display: flex (d) gap
25.✍️ How many declarations (property: value pairs) are in this rule?
h1 {
  width: 300px;
  font-style: italic;
  padding: 8px;
}
26.What does justify-content: space-between do? (a) packs boxes at the end (b) equal gaps, none at ends (c) puts boxes in the middle (d) packs boxes at the start
27.🎯 What kind of selector is .menu? (a) an id selector (b) a class selector (c) an element selector
28.⚖️ What colour is the text of this element?
<p class="note" id="end">Hi</p>
CSS:
.note { color: red; }
.note { color: black; } (a) purple (b) red (c) blue (d) black
29.✍️ Which property is set to 300px in this rule?
.note {
  font-weight: bold;
  width: 300px;
  margin: 10px;
  color: red;
} (a) 300px (b) font-style (c) color (d) width
30.🎯 Which element does the selector .red style? (a) <div class="red"> (b) <div id="red"> (c) <span class="star"> (d) <div class="box">
31.✍️ How many declarations (property: value pairs) are in this rule?
h1 {
border: 2px solid;
}
32.🧩 Which language makes a link? (a) HTML (b) JavaScript (c) CSS
33.💪 How much empty space (px) is left after the last box?
.row {
  display: flex;
  width: 210px;
  justify-content: flex-start;
}
Inside are 3 boxes, each 50px wide (no margins).
34.📱 The screen is 375px wide. Does the rule inside @media apply?
p {
  font-size: 24px;
}
@media (max-width: 480px) {
  p {
    font-size: 20px;
  }
} (a) No (b) Yes
35.⚖️ What colour is the text of this element?
<p class="big" id="top">Hi</p>
CSS:
#top { color: white; }
#top { color: yellow; } (a) yellow (b) orange (c) white (d) blue
36.🎯 What kind of selector is body? (a) an id selector (b) an element selector (c) a class selector
37.📱 The screen is 320px wide. Does the rule inside @media apply?
p {
  font-size: 24px;
}
@media (max-width: 1024px) {
  p {
    font-size: 20px;
  }
} (a) No (b) Yes
38.Which of these is the content? (a) the gap round content (b) space inside the border (c) the gap to other boxes (d) the text or picture
39.📦 How much space across (px) does this box take in all, margin included?
.box {
  width: 50px;
  padding: 15px;
  border: 2px solid black;
  margin: 5px;
}
40.True or false: CSS counts down a timer. (a) True (b) False

Answer key

li
244
bright green
the screen width
2
70
No
16
170
white
24
font-size
a class selector
green
counts down a timer
14
many pages
color
black
an id selector
.box
800px or wider
.star
display: flex
3
equal gaps, none at ends
a class selector
black
width
<div class="red">
1
HTML
60
Yes
yellow
an element selector
Yes
the text or picture
94
False

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