CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 252 · 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 colour is behind the letters?
p {
  text-align: center;
  font-size: 20px;
  color: red;
  background-color: purple;
} (a) red (b) green (c) purple
2.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
3.💪 Which flexbox property sets space between boxes? (a) flex-direction (b) display: flex (c) justify-content (d) gap
4.💪 Which flexbox property turns on flexbox? (a) display: flex (b) justify-content (c) align-items (d) flex-direction
5.✍️ Which property is set to 300px in this rule?
.box {
width: 300px;
margin: 10px;
} (a) 300px (b) width (c) font-style (d) color
6.💪 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).
7.True or false: HTML puts a picture on a page. (a) True (b) False
8.⚖️ What colour is the text of this element?
<p class="star" id="end">Hi</p>
CSS:
#end { color: black; }
.star { color: purple; } (a) purple (b) green (c) white (d) black
9.🖌️ Where does the text sit on its line?
h1 {
  text-align: center;
  font-size: 36px;
  color: yellow;
  background-color: purple;
} (a) on the left (b) in the middle (c) on the right
10.⚖️ Which selector is the strongest? (a) an element selector (b) a class selector (c) an id selector
11.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
.box {
  width: 140px;
  padding: 10px;
  border: 1px solid black;
  margin: 20px;
}
12.⚖️ What colour is the text of this element?
<p class="star" id="end">Hi</p>
CSS:
#end { color: purple; }
#end { color: green; } (a) purple (b) yellow (c) green (d) blue
13.✍️ How many declarations (property: value pairs) are in this rule?
h2 {
border: 2px solid;
color: red;
}
14.✍️ What is the selector in this CSS rule?
p {
  margin: 10px;
  width: 300px;
  border: 2px solid;
} (a) margin (b) 300px (c) p (d) .note
15.True or false: li is an id selector. (a) True (b) False
16.✍️ CSS declarations go inside which brackets? (a) [ ] (b) ( ) (c) < > (d) { }
17.🌈 Which colour is #00ff00? (a) red (b) white (c) magenta (d) bright green
18.🔍 Which is the odd one out? (a) shows a pop-up message (b) makes headings and lists (c) puts a picture on a page (d) makes a link
19.✍️ How many declarations (property: value pairs) are in this rule?
h2 {
font-size: 20px;
font-style: italic;
}
20.🌈 Which colour is rgb(0, 255, 0)? (a) magenta (b) black (c) bright green (d) blue
21.✍️ In color: blue; which part is the value? (a) color (b) blue (c) : (d) ;
22.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
  height: 150px;
  padding: 30px;
  border: 3px solid black;
  margin: 5px;
}
23.✍️ Which sign goes between a property and its value? (a) ; (b) = (c) - (d) :
24.🌈 In #00006f the blue part is the hex number 6f. What is it as a normal number?
25.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
.box {
  width: 130px;
  padding: 10px;
  border: 1px solid black;
  margin: 20px;
}
26.🖌️ Which CSS property centres a heading? (a) background-color (b) text-align (c) font-weight (d) font-family
27.📱 Which tag helps phones show a page at the right size? (a) the hr tag (b) the viewport meta tag (c) the title tag (d) the br tag
28.✍️ Which property is set to 300px in this rule?
.note {
margin: 10px;
width: 300px;
} (a) 300px (b) font-style (c) color (d) width
29.📱 The screen is 540px wide. Does the rule inside @media apply?
p {
  font-size: 16px;
}
@media (min-width: 768px) {
  p {
    font-size: 24px;
  }
} (a) No (b) Yes
30.🌈 Which colour is #00ffff? (a) magenta (b) white (c) red (d) cyan
31.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
  height: 140px;
  padding: 30px;
  border: 2px solid black;
  margin: 15px;
}
32.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
p {
  font-size: 12px;
}
@media (max-width: 480px) {
  p {
    font-size: 8px;
  }
}
33.✍️ How many declarations (property: value pairs) are in this rule?
li {
border: 2px solid;
}
34.🖌️ How big is the text, in px?
p {
  color: blue;
  background-color: yellow;
  font-size: 40px;
  text-align: left;
}
35.What does justify-content: flex-end do? (a) packs boxes at the end (b) puts boxes in the middle (c) equal gaps, none at ends (d) packs boxes at the start
36.⚖️ What colour is the text of this element?
<p class="big" id="hero">Hi</p>
CSS:
#hero { color: red; }
.big { color: orange; } (a) purple (b) red (c) yellow (d) orange
37.🖌️ Where does the text sit on its line?
li {
  text-align: left;
  font-size: 36px;
  color: green;
  background-color: black;
} (a) on the left (b) on the right (c) in the middle
38.🖌️ What colour are the letters?
h1 {
  background-color: blue;
  text-align: right;
  font-size: 28px;
  color: red;
} (a) blue (b) yellow (c) red
39.⚖️ What colour is the text of this element?
<h1 class="star" id="end">Hi</h1>
CSS:
#end { color: black; }
.star { color: yellow; } (a) yellow (b) blue (c) red (d) black
40.🌈 Which colour is rgb(255, 0, 0)? (a) red (b) blue (c) black (d) bright green

Answer key

purple
packs boxes at the start
gap
display: flex
width
30
True
black
in the middle
an id selector
162
green
2
p
False
{ }
bright green
shows a pop-up message
2
bright green
blue
226
:
111
152
text-align
the viewport meta tag
width
No
cyan
234
12
1
40
packs boxes at the end
red
on the left
red
black
red

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