CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 102 · 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.True or false: li is an element selector. (a) True (b) False
2.🌈 What is the biggest number one colour can have in rgb()? (a) 1000 (b) 100 (c) 255 (d) 99
3.🎯 Which element does the selector .big style? (a) <li class="big"> (b) <li id="big"> (c) <li class="red"> (d) <div class="box">
4.🧩 Which language gives the page structure? (a) CSS (b) JavaScript (c) HTML
5.True or false: the border is the line round the box. (a) False (b) True
6.🖌️ Which CSS property sets the letter colour? (a) background-color (b) color (c) font-size (d) font-weight
7.⚖️ What colour is the text of this element?
<h2 class="box" id="end">Hi</h2>
CSS:
.box { color: orange; }
h2 { color: yellow; } (a) black (b) orange (c) yellow (d) red
8.⚖️ Two rules with the same selector set a colour. Which one wins? (a) neither (b) the first one (c) the later one (d) the shorter one
9.True or false: .big is a class selector. (a) True (b) False
10.✍️ How many declarations (property: value pairs) are in this rule?
p {
  border: 2px solid;
  width: 300px;
  padding: 8px;
}
11.🎯 Which element does the selector .big style? (a) <div id="big"> (b) <div class="big"> (c) <div class="red"> (d) <span class="box">
12.✍️ How many declarations (property: value pairs) are in this rule?
p {
  background-color: yellow;
  margin: 10px;
  font-style: italic;
  text-align: center;
}
13.What does justify-content: flex-end do? (a) packs boxes at the end (b) equal gaps, none at ends (c) packs boxes at the start (d) puts boxes in the middle
14.🖌️ How big is the text, in px?
h1 {
  background-color: orange;
  text-align: left;
  font-size: 36px;
  color: red;
}
15.Which of these is padding? (a) space outside the border (b) a solid or dotted edge (c) the text or picture (d) space inside the border
16.🖌️ How big is the text, in px?
h1 {
  text-align: center;
  font-size: 28px;
  background-color: purple;
  color: white;
}
17.✍️ CSS declarations go inside which brackets? (a) { } (b) < > (c) [ ] (d) ( )
18.🖌️ What colour is behind the letters?
li {
  text-align: center;
  background-color: green;
  font-size: 24px;
  color: white;
} (a) green (b) white (c) yellow
19.📱 The screen is 1366px wide. What font-size (px) does the paragraph get?
p {
  font-size: 20px;
}
@media (max-width: 480px) {
  p {
    font-size: 18px;
  }
}
20.⚖️ Which selector is the strongest? (a) an element selector (b) a class selector (c) an id selector
21.⚖️ What colour is the text of this element?
<p class="menu" id="top">Hi</p>
CSS:
#top { color: black; }
.menu { color: white; } (a) black (b) white (c) orange (d) green
22.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
p {
  font-size: 20px;
}
@media (min-width: 1024px) {
  p {
    font-size: 24px;
  }
}
23.💪 How wide (px) is each gap between two boxes?
.row {
  display: flex;
  width: 120px;
  justify-content: space-between;
}
Inside are 2 boxes, each 40px wide (no margins).
24.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
.box {
  width: 170px;
  padding: 10px;
  border: 5px solid black;
  margin: 20px;
}
25.🔍 Which is the odd one out? (a) counts down a timer (b) puts a picture on a page (c) makes headings and lists (d) makes a link
26.💪 Which flexbox property sets space between boxes? (a) align-items (b) display: flex (c) gap (d) flex-direction
27.💪 Which flexbox property picks row or column? (a) justify-content (b) display: flex (c) align-items (d) flex-direction
28.What does justify-content: space-between do? (a) packs boxes at the start (b) packs boxes at the end (c) equal gaps, none at ends (d) puts boxes in the middle
29.✍️ Which property is set to 300px in this rule?
h1 {
  width: 300px;
  color: red;
  font-size: 20px;
} (a) 300px (b) color (c) font-style (d) width
30.What does color do? (a) colours behind the text (b) sets the letter colour (c) centres a heading (d) makes letters bigger
31.💪 Which justify-content value packs boxes at the start? (a) space-between (b) flex-end (c) flex-start (d) center
32.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
p {
  font-size: 12px;
}
@media (max-width: 768px) {
  p {
    font-size: 8px;
  }
}
33.🎯 What kind of selector is #main? (a) a class selector (b) an element selector (c) an id selector
34.🖌️ What colour are the letters?
h1 {
  background-color: red;
  text-align: left;
  color: orange;
  font-size: 12px;
} (a) red (b) purple (c) orange
35.⚖️ What colour is the text of this element?
<p class="box" id="top">Hi</p>
CSS:
p { color: blue; }
p { color: white; } (a) blue (b) red (c) purple (d) white
36.⚖️ What colour is the text of this element?
<h1 class="star" id="logo">Hi</h1>
CSS:
#logo { color: blue; }
#logo { color: red; } (a) yellow (b) orange (c) red (d) blue
37.True or false: .menu is an id selector. (a) True (b) False
38.⚖️ What colour is the text of this element?
<p class="red" id="top">Hi</p>
CSS:
.red { color: blue; }
p { color: orange; }
#top { color: yellow; } (a) blue (b) yellow (c) orange (d) red
39.✍️ What is the selector in this CSS rule?
p {
text-align: center;
padding: 8px;
} (a) text-align (b) 8px (c) .note (d) p
40.💪 Which flexbox property turns on flexbox? (a) flex-direction (b) align-items (c) gap (d) display: flex

Answer key

True
255
<li class="big">
HTML
True
color
orange
the later one
True
3
<div class="big">
4
packs boxes at the end
36
space inside the border
28
{ }
green
20
an id selector
black
20
40
200
counts down a timer
gap
flex-direction
equal gaps, none at ends
width
sets the letter colour
flex-start
8
an id selector
orange
white
red
False
yellow
p
display: flex

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