CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 543 · 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.

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1.💪 Which justify-content value packs boxes at the start? (a) space-between (b) center (c) flex-start (d) flex-end
2.🖌️ What colour are the letters?
h1 {
  text-align: center;
  font-size: 36px;
  background-color: white;
  color: orange;
} (a) white (b) red (c) orange
3.📦 How much space across (px) does this box take in all, margin included?
.box {
  width: 260px;
  padding: 15px;
  border: 1px solid black;
  margin: 5px;
}
4.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
p {
  font-size: 12px;
}
@media (min-width: 1024px) {
  p {
    font-size: 16px;
  }
}
5.True or false: margin is space outside the border. (a) False (b) True
6.🎯 What kind of selector is #logo? (a) an element selector (b) a class selector (c) an id selector
7.🌈 Which colour of light is strongest in rgb(240, 101, 26)? (a) green (b) red (c) blue
8.🎯 Which element does the selector .box style? (a) <p id="box"> (b) <p class="star"> (c) <p class="box"> (d) <h1 class="menu">
9.✍️ What is the selector in this CSS rule?
p {
font-style: italic;
width: 300px;
} (a) 300px (b) font-style (c) p (d) .note
10.⚖️ Which selector is the strongest? (a) a class selector (b) an element selector (c) an id selector
11.💪 Which flexbox property sets space between boxes? (a) align-items (b) gap (c) flex-direction (d) display: flex
12.🖌️ What colour are the letters?
h1 {
  text-align: left;
  font-size: 36px;
  background-color: purple;
  color: red;
} (a) white (b) purple (c) red
13.💪 How much empty space (px) is before the first box?
.row {
  display: flex;
  width: 320px;
  justify-content: flex-end;
}
Inside are 3 boxes, each 80px wide (no margins).
14.✍️ How many declarations (property: value pairs) are in this rule?
h2 {
color: red;
}
15.✍️ What is the selector in this CSS rule?
#top {
font-weight: bold;
margin: 10px;
} (a) li (b) 10px (c) #top (d) font-weight
16.🌈 Which colour of light is strongest in rgb(250, 132, 132)? (a) red (b) blue (c) green
17.🎨 Which tag connects an outside CSS file? (a) <link> (b) <img> (c) <a> (d) <css>
18.✍️ What value is given to font-weight in this rule?
h1 {
  border: 2px solid;
  text-align: center;
  font-weight: bold;
  font-size: 20px;
} (a) font-weight (b) 300px (c) bold (d) 2px solid
19.📱 Which tag helps phones show a page at the right size? (a) the viewport meta tag (b) the title tag (c) the br tag (d) the hr tag
20.🧩 Which language makes a link? (a) JavaScript (b) HTML (c) CSS
21.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the first one (b) the shorter one (c) neither (d) the later one
22.🌈 Which colour is #00ffff? (a) yellow (b) black (c) bright green (d) cyan
23.⚖️ What colour is the text of this element?
<p class="note" id="top">Hi</p>
CSS:
p { color: blue; }
p { color: white; } (a) white (b) yellow (c) green (d) blue
24.🎨 A CSS file usually ends with which extension? (a) .js (b) .css (c) .html (d) .png
25.⚖️ What colour is the text of this element?
<h1 class="red" id="top">Hi</h1>
CSS:
.red { color: yellow; }
.red { color: blue; } (a) purple (b) blue (c) green (d) yellow
26.🌈 In #00bf00 the green part is the hex number bf. What is it as a normal number?
27.✍️ What is the selector in this CSS rule?
.box {
  padding: 8px;
  width: 300px;
  color: red;
} (a) padding (b) .box (c) 300px (d) h2
28.⚖️ What colour is the text of this element?
<h1 class="box" id="intro">Hi</h1>
CSS:
h1 { color: green; }
h1 { color: black; } (a) black (b) green (c) yellow (d) purple
29.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
.box {
  width: 90px;
  padding: 25px;
  border: 1px solid black;
  margin: 0px;
}
30.🌈 Hex digits go 0 to 9, then A to which letter? (a) G (b) Z (c) F (d) J
31.🖌️ Where does the text sit on its line?
li {
  font-size: 12px;
  background-color: purple;
  text-align: right;
  color: orange;
} (a) on the right (b) on the left (c) in the middle
32.🖌️ What colour are the letters?
h2 {
  text-align: center;
  color: white;
  background-color: purple;
  font-size: 32px;
} (a) purple (b) white (c) black
33.📱 The screen is 700px wide. Does the rule inside @media apply?
p {
  font-size: 16px;
}
@media (max-width: 600px) {
  p {
    font-size: 10px;
  }
} (a) No (b) Yes
34.💪 Which flexbox property lines boxes up across? (a) flex-direction (b) display: flex (c) gap (d) align-items
35.Which of these is the content? (a) the text or picture (b) the line round the box (c) the gap round content (d) space inside the border
36.✍️ How many declarations (property: value pairs) are in this rule?
li {
background-color: yellow;
}
37.⚖️ What colour is the text of this element?
<p class="big" id="logo">Hi</p>
CSS:
#logo { color: red; }
p { color: black; }
.big { color: green; } (a) black (b) green (c) orange (d) red
38.✍️ What value is given to background-color in this rule?
body {
font-style: italic;
background-color: yellow;
} (a) yellow (b) 8px (c) background-color (d) 10px
39.💪 How wide (px) is each gap between two boxes?
.row {
  display: flex;
  width: 300px;
  justify-content: space-between;
}
Inside are 3 boxes, each 80px wide (no margins).
40.✍️ CSS declarations go inside which brackets? (a) < > (b) { } (c) ( ) (d) [ ]

Answer key

flex-start
orange
302
12
True
an id selector
red
<p class="box">
p
an id selector
gap
red
80
1
#top
red
<link>
bold
the viewport meta tag
HTML
the later one
cyan
white
.css
blue
191
.box
black
142
F
on the right
white
No
align-items
the text or picture
1
red
yellow
30
{ }

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