CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 717 · 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 does text-align do? (a) picks the font style (b) centres a heading (c) sets the letter colour (d) colours behind the text
2.📱 Responsive design means a page ___. (a) fits every screen (b) never changes (c) has no pictures (d) is only for laptops
3.True or false: the border is the line round the box. (a) True (b) False
4.✍️ How many declarations (property: value pairs) are in this rule?
h1 {
  width: 300px;
  font-size: 20px;
  border: 2px solid;
}
5.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
p {
  font-size: 20px;
}
@media (min-width: 1024px) {
  p {
    font-size: 24px;
  }
}
6.⚖️ Two rules with the same selector set a colour. Which one wins? (a) neither (b) the later one (c) the first one (d) the shorter one
7.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
p {
  font-size: 12px;
}
@media (max-width: 768px) {
  p {
    font-size: 6px;
  }
}
8.🎯 What kind of selector is h1? (a) an element selector (b) a class selector (c) an id selector
9.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
  height: 70px;
  padding: 25px;
  border: 2px solid black;
  margin: 10px;
}
10.⚖️ What colour is the text of this element?
<h2 class="box" id="main">Hi</h2>
CSS:
h2 { color: orange; }
h2 { color: red; } (a) purple (b) red (c) yellow (d) orange
11.⚖️ Which selector is the weakest? (a) an id selector (b) a class selector (c) an element selector
12.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
p {
  font-size: 24px;
}
@media (max-width: 480px) {
  p {
    font-size: 20px;
  }
}
13.✍️ What value is given to background-color in this rule?
p {
  text-align: center;
  color: red;
  font-size: 20px;
  background-color: yellow;
} (a) 8px (b) yellow (c) background-color (d) 10px
14.🖌️ Which CSS property makes the text bold? (a) font-weight (b) color (c) background-color (d) text-align
15.🖌️ How big is the text, in px?
li {
  background-color: orange;
  color: green;
  font-size: 24px;
  text-align: right;
}
16.🖌️ What colour are the letters?
li {
  color: yellow;
  text-align: center;
  font-size: 20px;
  background-color: blue;
} (a) yellow (b) black (c) blue
17.✍️ What is the selector in this CSS rule?
.box {
  width: 300px;
  border: 2px solid;
  padding: 8px;
} (a) h2 (b) .box (c) width (d) 2px solid
18.🧩 Which language adds space around boxes? (a) CSS (b) HTML (c) JavaScript
19.💪 Which flexbox property sets space between boxes? (a) gap (b) display: flex (c) align-items (d) flex-direction
20.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
p {
  font-size: 24px;
}
@media (min-width: 600px) {
  p {
    font-size: 30px;
  }
}
21.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
p {
  font-size: 20px;
}
@media (max-width: 480px) {
  p {
    font-size: 18px;
  }
}
22.🖌️ Where does the text sit on its line?
li {
  color: red;
  text-align: center;
  font-size: 12px;
  background-color: green;
} (a) on the right (b) in the middle (c) on the left
23.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
p {
  font-size: 24px;
}
@media (max-width: 600px) {
  p {
    font-size: 22px;
  }
}
24.🧩 Which language lays out the page? (a) CSS (b) HTML (c) JavaScript
25.🌈 Which colour is #ff0000? (a) magenta (b) blue (c) red (d) white
26.📱 The screen is 540px wide. Does the rule inside @media apply?
p {
  font-size: 16px;
}
@media (min-width: 1024px) {
  p {
    font-size: 18px;
  }
} (a) Yes (b) No
27.💪 How much empty space (px) is left after the last box?
.row {
  display: flex;
  width: 150px;
  justify-content: flex-start;
}
Inside are 2 boxes, each 60px wide (no margins).
28.🖌️ Which CSS property sets the letter colour? (a) background-color (b) color (c) font-family (d) font-weight
29.💪 Which flexbox property lines boxes up across? (a) flex-direction (b) display: flex (c) justify-content (d) align-items
30.📱 Which tag helps phones show a page at the right size? (a) the br tag (b) the viewport meta tag (c) the hr tag (d) the title tag
31.🌈 In #050000 the red part is the hex number 05. What is it as a normal number?
32.💪 Which justify-content value puts boxes in the middle? (a) space-between (b) center (c) flex-end (d) flex-start
33.What does font-size do? (a) sets the letter colour (b) makes letters bigger (c) picks the font style (d) colours behind the text
34.True or false: the content is the line round the box. (a) True (b) False
35.🖌️ Where does the text sit on its line?
li {
  text-align: left;
  color: black;
  background-color: purple;
  font-size: 24px;
} (a) on the left (b) on the right (c) in the middle
36.🌈 In #rrggbb, which colour do the last two digits give? (a) green (b) red (c) blue (d) white
37.🖌️ Which CSS property centres a heading? (a) background-color (b) font-size (c) text-align (d) font-family
38.True or false: img is an element selector. (a) False (b) True
39.✍️ How many declarations (property: value pairs) are in this rule?
p {
width: 300px;
font-style: italic;
}
40.Which of these is the border? (a) a solid or dotted edge (b) space outside the border (c) the text or picture (d) the gap to other boxes

Answer key

centres a heading
fits every screen
True
3
20
the later one
6
an element selector
144
red
an element selector
20
yellow
font-weight
24
yellow
.box
CSS
gap
24
20
in the middle
24
CSS
red
No
30
color
align-items
the viewport meta tag
5
center
makes letters bigger
False
on the left
blue
text-align
True
2
a solid or dotted edge

Free html and css lessons, practice and worksheets at talentjr.in/html-css-for-kids