CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 757 · 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.🖌️ Where does the text sit on its line?
p {
  text-align: left;
  background-color: green;
  color: purple;
  font-size: 40px;
} (a) in the middle (b) on the left (c) on the right
2.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
p {
  font-size: 12px;
}
@media (max-width: 1024px) {
  p {
    font-size: 8px;
  }
}
3.✍️ Which sign goes between a property and its value? (a) - (b) = (c) ; (d) :
4.🧩 Which language puts a picture on a page? (a) JavaScript (b) HTML (c) CSS
5.🌈 Which colour is rgb(0, 0, 0)? (a) black (b) bright green (c) magenta (d) blue
6.✍️ What is the selector in this CSS rule?
body {
  font-style: italic;
  padding: 8px;
  font-weight: bold;
} (a) .box (b) font-style (c) 8px (d) body
7.✍️ CSS declarations go inside which brackets? (a) { } (b) [ ] (c) < > (d) ( )
8.💪 How much empty space (px) is left after the last box?
.row {
  display: flex;
  width: 460px;
  justify-content: flex-start;
}
Inside are 4 boxes, each 100px wide (no margins).
9.📱 The screen is 320px wide. Does the rule inside @media apply?
p {
  font-size: 12px;
}
@media (min-width: 600px) {
  p {
    font-size: 16px;
  }
} (a) Yes (b) No
10.💪 How much empty space (px) is left after the last box?
.row {
  display: flex;
  width: 360px;
  justify-content: flex-start;
}
Inside are 4 boxes, each 80px wide (no margins).
11.🖌️ How big is the text, in px?
h1 {
  text-align: right;
  background-color: blue;
  font-size: 20px;
  color: orange;
}
12.True or false: JavaScript changes the page live. (a) False (b) True
13.🖌️ What colour is behind the letters?
h2 {
  background-color: yellow;
  text-align: left;
  color: white;
  font-size: 20px;
} (a) white (b) yellow (c) green
14.🌈 Which hex code is white? (a) #0000ff (b) #ff00ff (c) #ff0000 (d) #ffffff
15.✍️ Which property is set to italic in this rule?
h1 {
  color: red;
  font-style: italic;
  text-align: center;
  margin: 10px;
} (a) font-size (b) italic (c) font-style (d) color
16.🎯 Which element does the selector li style? (a) <p id="end"> (b) <li class="red"> (c) <div> (d) <span class="red">
17.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
p {
  font-size: 24px;
}
@media (min-width: 1024px) {
  p {
    font-size: 30px;
  }
}
18.✍️ How does a CSS comment start? (a) # (b) // (c) /* (d) <!--
19.True or false: the border is the gap round content. (a) True (b) False
20.🔍 Which is the odd one out? (a) changes the text size (b) puts a picture on a page (c) makes a form box (d) gives the page structure
21.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
.box {
  width: 230px;
  padding: 5px;
  border: 4px solid black;
  margin: 15px;
}
22.📦 In the box model, which part is the gap round content? (a) margin (b) border (c) padding (d) content
23.🖌️ Which CSS property sets the letter colour? (a) font-size (b) color (c) font-weight (d) text-align
24.💪 How much empty space (px) is left after the last box?
.row {
  display: flex;
  width: 130px;
  justify-content: flex-start;
}
Inside are 2 boxes, each 50px wide (no margins).
25.⚖️ What colour is the text of this element?
<h1 class="box" id="top">Hi</h1>
CSS:
.box { color: black; }
#top { color: red; }
h1 { color: orange; } (a) orange (b) black (c) red (d) white
26.✍️ What is the selector in this CSS rule?
#top {
  font-weight: bold;
  padding: 8px;
  color: red;
  text-align: center;
} (a) 8px (b) font-weight (c) li (d) #top
27.🎯 Which sign starts a class selector? (a) . (b) @ (c) # (d) &
28.✍️ What is the selector in this CSS rule?
.box {
text-align: center;
background-color: yellow;
} (a) text-align (b) yellow (c) h2 (d) .box
29.🧩 Which language makes headings and lists? (a) CSS (b) JavaScript (c) HTML
30.Which of these does HTML do? (a) changes the text size (b) makes a link (c) adds space around boxes (d) counts down a timer
31.🖌️ How big is the text, in px?
h2 {
  color: orange;
  font-size: 16px;
  text-align: right;
  background-color: green;
}
32.What does color do? (a) makes the text bold (b) picks the font style (c) sets the letter colour (d) colours behind the text
33.True or false: margin is space inside the border. (a) False (b) True
34.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
  height: 70px;
  padding: 20px;
  border: 1px solid black;
  margin: 15px;
}
35.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
p {
  font-size: 12px;
}
@media (max-width: 768px) {
  p {
    font-size: 10px;
  }
}
36.🌈 In #rrggbb, which colour do the last two digits give? (a) green (b) blue (c) white (d) red
37.💪 Which flexbox property spaces boxes along a row? (a) flex-direction (b) align-items (c) gap (d) justify-content
38.🎯 Which CSS selector matches this element?
<li class="red" id="hero">Hello</li> (a) li (b) .box (c) .hero (d) #red
39.🖌️ What colour are the letters?
p {
  background-color: purple;
  font-size: 36px;
  color: blue;
  text-align: left;
} (a) purple (b) white (c) blue
40.💪 How much empty space (px) is left after the last box?
.row {
  display: flex;
  width: 120px;
  justify-content: flex-start;
}
Inside are 2 boxes, each 50px wide (no margins).

Answer key

on the left
8
:
HTML
black
body
{ }
60
No
40
20
True
yellow
#ffffff
font-style
<li class="red">
24
/*
False
changes the text size
248
padding
color
30
red
#top
.
.box
HTML
makes a link
16
sets the letter colour
False
142
10
blue
justify-content
li
blue
20

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