CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 827 · 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 value is given to margin in this rule?
p {
margin: 10px;
color: red;
} (a) 8px (b) margin (c) bold (d) 10px
2.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
p {
  font-size: 24px;
}
@media (max-width: 768px) {
  p {
    font-size: 22px;
  }
}
3.True or false: JavaScript adds space around boxes. (a) True (b) False
4.🧩 Which language checks a quiz answer? (a) JavaScript (b) HTML (c) CSS
5.🎯 Which CSS selector matches this element?
<h2 class="big" id="logo">Hello</h2> (a) li (b) .red (c) #end (d) #logo
6.💪 Which justify-content value equal gaps, none at ends? (a) center (b) space-between (c) flex-end (d) flex-start
7.What does justify-content: flex-start do? (a) packs boxes at the start (b) packs boxes at the end (c) puts boxes in the middle (d) equal gaps, none at ends
8.🎯 Which CSS selector matches this element?
<h1 class="box" id="top">Hello</h1> (a) .box (b) #box (c) .top (d) .star
9.✍️ Which sign goes between a property and its value? (a) = (b) : (c) - (d) ;
10.🎯 Which element does the selector span style? (a) <h2 id="end"> (b) <p> (c) <h1 class="menu"> (d) <span class="menu">
11.What does color do? (a) makes the text bold (b) sets the letter colour (c) colours behind the text (d) picks the font style
12.🖌️ What colour are the letters?
p {
  text-align: center;
  font-size: 20px;
  color: blue;
  background-color: white;
} (a) blue (b) white (c) green
13.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 3 (b) 4 (c) 2 (d) 6
14.🖌️ How big is the text, in px?
p {
  color: blue;
  text-align: left;
  background-color: green;
  font-size: 28px;
}
15.🖌️ How big is the text, in px?
h2 {
  text-align: right;
  background-color: yellow;
  font-size: 16px;
  color: purple;
}
16.🎯 What kind of selector is .big? (a) an id selector (b) an element selector (c) a class selector
17.🎯 Can many elements share the same class? (a) No (b) Yes
18.🖌️ What colour is behind the letters?
h2 {
  font-size: 16px;
  background-color: blue;
  color: black;
  text-align: left;
} (a) black (b) blue (c) white
19.🌈 Which colour is #00ff00? (a) red (b) bright green (c) yellow (d) black
20.📦 How much space across (px) does this box take in all, margin included?
.box {
  width: 270px;
  padding: 25px;
  border: 1px solid black;
  margin: 20px;
}
21.Which of these does HTML do? (a) makes a form box (b) counts down a timer (c) sets colours and fonts (d) checks a quiz answer
22.What does justify-content: space-between do? (a) packs boxes at the start (b) packs boxes at the end (c) puts boxes in the middle (d) equal gaps, none at ends
23.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
p {
  font-size: 24px;
}
@media (max-width: 480px) {
  p {
    font-size: 22px;
  }
}
24.What does background-color do? (a) sets the letter colour (b) makes the text bold (c) colours behind the text (d) makes letters bigger
25.📱 The screen is 414px wide. Does the rule inside @media apply?
p {
  font-size: 24px;
}
@media (min-width: 480px) {
  p {
    font-size: 30px;
  }
} (a) Yes (b) No
26.True or false: JavaScript gives the page structure. (a) True (b) False
27.🌈 In #00a600 the green part is the hex number a6. What is it as a normal number?
28.⚖️ What colour is the text of this element?
<p class="box" id="intro">Hi</p>
CSS:
p { color: orange; }
p { color: purple; } (a) white (b) purple (c) orange (d) blue
29.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
  height: 140px;
  padding: 10px;
  border: 3px solid black;
  margin: 10px;
}
30.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
p {
  font-size: 16px;
}
@media (min-width: 768px) {
  p {
    font-size: 22px;
  }
}
31.💪 How wide (px) is each gap between two boxes?
.row {
  display: flex;
  width: 260px;
  justify-content: space-between;
}
Inside are 3 boxes, each 60px wide (no margins).
32.✍️ How many declarations (property: value pairs) are in this rule?
h2 {
  text-align: center;
  color: red;
  font-style: italic;
  font-size: 20px;
}
33.🧩 Which language makes a link? (a) HTML (b) CSS (c) JavaScript
34.🖌️ What colour is behind the letters?
li {
  text-align: right;
  font-size: 20px;
  background-color: yellow;
  color: green;
} (a) green (b) yellow (c) orange
35.🎯 Which CSS selector matches this element?
<h1 class="note" id="top">Hello</h1> (a) #note (b) #intro (c) h1 (d) .big
36.🎯 Which CSS selector matches this element?
<h2 class="star" id="main">Hello</h2> (a) li (b) .main (c) h2 (d) #star
37.What does justify-content: center 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
38.💪 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 50px wide (no margins).
39.💪 How wide (px) is each gap between two boxes?
.row {
  display: flex;
  width: 210px;
  justify-content: space-between;
}
Inside are 2 boxes, each 100px wide (no margins).
40.✍️ Which property is set to bold in this rule?
#top {
  font-style: italic;
  background-color: yellow;
  font-weight: bold;
  width: 300px;
} (a) font-weight (b) border (c) bold (d) width

Answer key

10px
22
False
JavaScript
#logo
space-between
packs boxes at the start
.box
:
<span class="menu">
sets the letter colour
blue
3
28
16
a class selector
Yes
blue
bright green
362
makes a form box
equal gaps, none at ends
22
colours behind the text
No
False
166
purple
186
16
40
4
HTML
yellow
h1
h2
puts boxes in the middle
20
10
font-weight

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