CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 30 · 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.✍️ How many declarations (property: value pairs) are in this rule?
h2 {
  font-size: 20px;
  background-color: yellow;
  text-align: center;
  margin: 10px;
}
2.True or false: JavaScript checks a quiz answer. (a) True (b) False
3.✍️ How many declarations (property: value pairs) are in this rule?
.note {
color: red;
}
4.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
p {
  font-size: 20px;
}
@media (max-width: 600px) {
  p {
    font-size: 14px;
  }
}
5.✍️ How does a CSS comment start? (a) # (b) <!-- (c) // (d) /*
6.🌈 Which colour is rgb(0, 255, 0)? (a) yellow (b) bright green (c) red (d) magenta
7.🔍 Which is the odd one out? (a) gives the page structure (b) puts a picture on a page (c) makes headings and lists (d) sets colours and fonts
8.What does font-weight do? (a) makes the text bold (b) colours behind the text (c) sets the letter colour (d) makes letters bigger
9.✍️ Which property is set to 2px solid in this rule?
h2 {
  background-color: yellow;
  font-style: italic;
  border: 2px solid;
  text-align: center;
} (a) width (b) font-style (c) 2px solid (d) border
10.🖌️ What colour is behind the letters?
h1 {
  background-color: red;
  color: black;
  text-align: right;
  font-size: 32px;
} (a) black (b) red (c) yellow
11.🖌️ Which CSS property makes letters bigger? (a) text-align (b) font-size (c) font-family (d) font-weight
12.True or false: margin is space inside the border. (a) True (b) False
13.What does justify-content: flex-start do? (a) equal gaps, none at ends (b) puts boxes in the middle (c) packs boxes at the end (d) packs boxes at the start
14.💪 How much empty space (px) is left after the last box?
.row {
  display: flex;
  width: 220px;
  justify-content: flex-start;
}
Inside are 4 boxes, each 40px wide (no margins).
15.✍️ How many declarations (property: value pairs) are in this rule?
#top {
font-size: 20px;
}
16.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
p {
  font-size: 12px;
}
@media (max-width: 480px) {
  p {
    font-size: 10px;
  }
}
17.📱 The screen is 1366px wide. What font-size (px) does the paragraph get?
p {
  font-size: 20px;
}
@media (max-width: 768px) {
  p {
    font-size: 18px;
  }
}
18.✍️ What value is given to background-color in this rule?
.note {
  text-align: center;
  background-color: yellow;
  font-size: 20px;
} (a) background-color (b) 8px (c) yellow (d) 10px
19.⚖️ What colour is the text of this element?
<p class="box" id="end">Hi</p>
CSS:
p { color: white; }
p { color: blue; } (a) white (b) black (c) red (d) blue
20.✍️ What value is given to font-style in this rule?
.note {
  width: 300px;
  font-style: italic;
  margin: 10px;
  font-weight: bold;
} (a) red (b) 20px (c) italic (d) font-style
21.True or false: .star is an element selector. (a) False (b) True
22.True or false: JavaScript puts a picture on a page. (a) False (b) True
23.🧩 Which language makes headings and lists? (a) JavaScript (b) HTML (c) CSS
24.📦 How much space across (px) does this box take in all, margin included?
.box {
  width: 190px;
  padding: 25px;
  border: 1px solid black;
  margin: 5px;
}
25.🖌️ Which CSS property makes the text bold? (a) font-family (b) font-weight (c) text-align (d) background-color
26.Which of these does CSS do? (a) changes the page live (b) checks a quiz answer (c) rounds box corners (d) puts a picture on a page
27.🖌️ Which CSS property colours behind the text? (a) background-color (b) font-weight (c) font-family (d) font-size
28.🔍 Which is the odd one out? (a) changes the text size (b) rounds box corners (c) adds space around boxes (d) makes headings and lists
29.🎯 Which CSS selector matches this element?
<div class="star" id="top">Hello</div> (a) #star (b) #intro (c) .top (d) div
30.💪 How much empty space (px) is before the first box?
.row {
  display: flex;
  width: 160px;
  justify-content: flex-end;
}
Inside are 2 boxes, each 50px wide (no margins).
31.🎯 Which sign starts a class selector? (a) @ (b) & (c) # (d) .
32.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the shorter one (b) neither (c) the later one (d) the first one
33.💪 How much empty space (px) is before the first box?
.row {
  display: flex;
  width: 280px;
  justify-content: flex-end;
}
Inside are 2 boxes, each 100px wide (no margins).
34.✍️ How many declarations (property: value pairs) are in this rule?
h2 {
padding: 8px;
font-size: 20px;
}
35.⚖️ What colour is the text of this element?
<h1 class="red" id="top">Hi</h1>
CSS:
.red { color: orange; }
.red { color: green; } (a) black (b) orange (c) green (d) red
36.⚖️ What colour is the text of this element?
<p class="box" id="intro">Hi</p>
CSS:
.box { color: green; }
p { color: blue; } (a) blue (b) white (c) green (d) red
37.Which of these does HTML do? (a) shows a pop-up message (b) changes the text size (c) reacts to a button click (d) puts a picture on a page
38.🌈 In #rrggbb, which colour do the first two digits give? (a) red (b) black (c) blue (d) green
39.⚖️ What colour is the text of this element?
<h2 class="red" id="end">Hi</h2>
CSS:
h2 { color: yellow; }
#end { color: black; } (a) purple (b) orange (c) yellow (d) black
40.Which of these does HTML do? (a) changes the page live (b) counts down a timer (c) changes the text size (d) makes headings and lists

Answer key

4
True
1
20
/*
bright green
sets colours and fonts
makes the text bold
border
red
font-size
False
packs boxes at the start
60
1
12
20
yellow
blue
italic
False
False
HTML
252
font-weight
rounds box corners
background-color
makes headings and lists
div
60
.
the later one
80
2
green
green
puts a picture on a page
red
black
makes headings and lists

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