CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 594 · 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.💪 How much empty space (px) is before the first box?
.row {
  display: flex;
  width: 300px;
  justify-content: center;
}
Inside are 4 boxes, each 60px wide (no margins).
2.🖌️ Which CSS property picks the font style? (a) font-family (b) text-align (c) background-color (d) color
3.🔍 Which is the odd one out? (a) reacts to a button click (b) checks a quiz answer (c) shows a pop-up message (d) puts a picture on a page
4.🎯 Which CSS selector matches this element?
<span class="star" id="hero">Hello</span> (a) .star (b) .hero (c) p (d) #star
5.🎯 Which sign starts an id selector? (a) & (b) # (c) @ (d) .
6.✍️ In color: blue; which part is the property? (a) blue (b) color (c) : (d) ;
7.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
.box {
  width: 100px;
  padding: 30px;
  border: 5px solid black;
  margin: 15px;
}
8.True or false: CSS makes a link. (a) True (b) False
9.🌈 Which colour of light is strongest in rgb(81, 156, 49)? (a) green (b) blue (c) red
10.🧩 Which language makes a link? (a) CSS (b) JavaScript (c) HTML
11.⚖️ What colour is the text of this element?
<h1 class="menu" id="intro">Hi</h1>
CSS:
.menu { color: blue; }
.menu { color: black; } (a) orange (b) black (c) blue (d) yellow
12.🎨 Which tag connects an outside CSS file? (a) <img> (b) <css> (c) <a> (d) <link>
13.Which of these does HTML do? (a) sets colours and fonts (b) changes the text size (c) counts down a timer (d) puts a picture on a page
14.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
p {
  font-size: 12px;
}
@media (min-width: 768px) {
  p {
    font-size: 18px;
  }
}
15.Which of these is padding? (a) the text or picture (b) a solid or dotted edge (c) space inside the border (d) the line round the box
16.🎯 What kind of selector is .star? (a) a class selector (b) an id selector (c) an element selector
17.🌈 Which colour of light is strongest in rgb(6, 19, 226)? (a) green (b) blue (c) red
18.🌈 In #4e0000 the red part is the hex number 4e. What is it as a normal number?
19.✍️ How many declarations (property: value pairs) are in this rule?
h2 {
margin: 10px;
border: 2px solid;
}
20.What does justify-content: flex-end do? (a) packs boxes at the start (b) equal gaps, none at ends (c) puts boxes in the middle (d) packs boxes at the end
21.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
p {
  font-size: 24px;
}
@media (max-width: 480px) {
  p {
    font-size: 18px;
  }
}
22.🌈 Which hex code is white? (a) #ffffff (b) #ff0000 (c) #000000 (d) #00ffff
23.✍️ What is the selector in this CSS rule?
h2 {
  background-color: yellow;
  font-style: italic;
  border: 2px solid;
} (a) italic (b) background-color (c) h1 (d) h2
24.🖌️ Where does the text sit on its line?
h1 {
  font-size: 24px;
  color: purple;
  text-align: center;
  background-color: orange;
} (a) in the middle (b) on the right (c) on the left
25.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
p {
  font-size: 12px;
}
@media (min-width: 480px) {
  p {
    font-size: 14px;
  }
}
26.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
p {
  font-size: 16px;
}
@media (max-width: 480px) {
  p {
    font-size: 12px;
  }
}
27.🎯 Which CSS selector matches this element?
<p class="big" id="hero">Hello</p> (a) #top (b) h1 (c) #big (d) #hero
28.🖌️ What colour are the letters?
p {
  background-color: green;
  text-align: left;
  color: red;
  font-size: 16px;
} (a) green (b) black (c) red
29.⚖️ What colour is the text of this element?
<p class="big" id="intro">Hi</p>
CSS:
p { color: purple; }
p { color: black; } (a) purple (b) yellow (c) blue (d) black
30.💪 Which flexbox property turns on flexbox? (a) align-items (b) justify-content (c) gap (d) display: flex
31.⚖️ What colour is the text of this element?
<p class="note" id="main">Hi</p>
CSS:
#main { color: orange; }
#main { color: green; } (a) orange (b) black (c) green (d) purple
32.🎯 Which CSS selector matches this element?
<li class="menu" id="hero">Hello</li> (a) #menu (b) #top (c) #hero (d) .note
33.🖌️ Which CSS property sets the letter colour? (a) font-size (b) color (c) font-weight (d) background-color
34.📱 The screen is 414px wide. Does the rule inside @media apply?
p {
  font-size: 16px;
}
@media (max-width: 600px) {
  p {
    font-size: 14px;
  }
} (a) No (b) Yes
35.💪 How much empty space (px) is before the first box?
.row {
  display: flex;
  width: 220px;
  justify-content: center;
}
Inside are 4 boxes, each 40px wide (no margins).
36.🌈 In #rrggbb, which colour do the first two digits give? (a) green (b) black (c) blue (d) red
37.Which of these does CSS do? (a) puts a picture on a page (b) reacts to a button click (c) makes headings and lists (d) sets colours and fonts
38.📱 The screen is 320px wide. Does the rule inside @media apply?
p {
  font-size: 12px;
}
@media (max-width: 600px) {
  p {
    font-size: 6px;
  }
} (a) No (b) Yes
39.⚖️ What colour is the text of this element?
<h2 class="star" id="end">Hi</h2>
CSS:
#end { color: black; }
.star { color: purple; }
h2 { color: white; } (a) black (b) white (c) purple (d) yellow
40.What does text-align do? (a) colours behind the text (b) sets the letter colour (c) centres a heading (d) picks the font style

Answer key

30
font-family
puts a picture on a page
.star
#
color
170
False
green
HTML
black
<link>
puts a picture on a page
12
space inside the border
a class selector
blue
78
2
packs boxes at the end
24
#ffffff
h2
in the middle
14
12
#hero
red
black
display: flex
green
#hero
color
Yes
30
red
sets colours and fonts
Yes
black
centres a heading

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