CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 393 · 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 tag holds CSS inside the head? (a) <css> (b) <script> (c) <style> (d) <body>
2.📦 In the box model, which part is the line round the box? (a) padding (b) content (c) border (d) margin
3.✍️ Which property is set to red in this rule?
h1 {
  text-align: center;
  width: 300px;
  color: red;
} (a) font-size (b) color (c) text-align (d) red
4.🌈 Which colour of light is strongest in rgb(0, 98, 245)? (a) red (b) green (c) blue
5.🔍 Which is the odd one out? (a) makes a link (b) changes the text size (c) puts a picture on a page (d) gives the page structure
6.✍️ What is the selector in this CSS rule?
.note {
  background-color: yellow;
  margin: 10px;
  color: red;
} (a) 10px (b) #top (c) .note (d) background-color
7.🖌️ How big is the text, in px?
h1 {
  background-color: red;
  text-align: right;
  color: black;
  font-size: 36px;
}
8.✍️ In color: blue; which part is the property? (a) blue (b) ; (c) : (d) color
9.What does justify-content: space-between 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
10.📱 The screen is 1366px wide. Does the rule inside @media apply?
p {
  font-size: 20px;
}
@media (min-width: 600px) {
  p {
    font-size: 24px;
  }
} (a) Yes (b) No
11.🧩 Which language makes a form box? (a) JavaScript (b) CSS (c) HTML
12.🌈 In #000600 the green part is the hex number 06. What is it as a normal number?
13.📱 The screen is 320px wide. Does the rule inside @media apply?
p {
  font-size: 24px;
}
@media (max-width: 768px) {
  p {
    font-size: 22px;
  }
} (a) Yes (b) No
14.📱 The screen is 700px wide. Does the rule inside @media apply?
p {
  font-size: 20px;
}
@media (min-width: 768px) {
  p {
    font-size: 28px;
  }
} (a) Yes (b) No
15.🖌️ Which CSS property makes letters bigger? (a) text-align (b) font-size (c) font-family (d) color
16.What does justify-content: center do? (a) packs boxes at the start (b) packs boxes at the end (c) equal gaps, none at ends (d) puts boxes in the middle
17.✍️ How many declarations (property: value pairs) are in this rule?
.note {
  color: red;
  font-size: 20px;
  font-style: italic;
}
18.🌈 In #000400 the green part is the hex number 04. What is it as a normal number?
19.🎯 Which element does the selector li style? (a) <div> (b) <span class="big"> (c) <p id="intro"> (d) <li class="big">
20.✍️ Which sign ends each CSS declaration? (a) : (b) ; (c) , (d) .
21.🎯 Which CSS selector matches this element?
<li class="menu" id="intro">Hello</li> (a) .note (b) #main (c) li (d) #menu
22.🖌️ What colour are the letters?
h2 {
  text-align: left;
  background-color: red;
  font-size: 40px;
  color: purple;
} (a) black (b) purple (c) red
23.🔍 Which is the odd one out? (a) changes the text size (b) counts down a timer (c) adds space around boxes (d) sets colours and fonts
24.✍️ How many declarations (property: value pairs) are in this rule?
#top {
  font-weight: bold;
  width: 300px;
  text-align: center;
}
25.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
  height: 180px;
  padding: 15px;
  border: 1px solid black;
  margin: 20px;
}
26.⚖️ What colour is the text of this element?
<p class="note" id="hero">Hi</p>
CSS:
#hero { color: yellow; }
.note { color: white; }
p { color: green; } (a) green (b) purple (c) yellow (d) white
27.True or false: CSS gives the page structure. (a) False (b) True
28.📱 min-width: 800px applies when the screen is ___. (a) 800px or wider (b) 800px or narrower (c) exactly 100px (d) turned off
29.🖌️ Where does the text sit on its line?
h1 {
  text-align: center;
  color: blue;
  font-size: 28px;
  background-color: orange;
} (a) on the left (b) in the middle (c) on the right
30.🌈 Which colour is #ffffff? (a) white (b) yellow (c) magenta (d) bright green
31.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
.box {
  width: 280px;
  padding: 20px;
  border: 5px solid black;
  margin: 10px;
}
32.🖌️ What colour are the letters?
p {
  font-size: 12px;
  text-align: left;
  background-color: white;
  color: red;
} (a) red (b) orange (c) white
33.⚖️ Which selector is the strongest? (a) a class selector (b) an id selector (c) an element selector
34.⚖️ What colour is the text of this element?
<h2 class="star" id="hero">Hi</h2>
CSS:
.star { color: yellow; }
#hero { color: red; } (a) blue (b) red (c) yellow (d) black
35.💪 How wide (px) is each gap between two boxes?
.row {
  display: flex;
  width: 230px;
  justify-content: space-between;
}
Inside are 2 boxes, each 100px wide (no margins).
36.🎯 Which element does the selector .big style? (a) <span class="box"> (b) <div id="big"> (c) <div class="red"> (d) <div class="big">
37.What does text-align do? (a) picks the font style (b) centres a heading (c) colours behind the text (d) makes letters bigger
38.✍️ Which property is set to center in this rule?
.note {
  font-weight: bold;
  text-align: center;
  background-color: yellow;
  font-size: 20px;
} (a) center (b) background-color (c) text-align (d) margin
39.🧩 Which language puts a picture on a page? (a) JavaScript (b) CSS (c) HTML
40.📦 In the box model, which part is the text or picture? (a) border (b) padding (c) content (d) margin

Answer key

<style>
border
color
blue
changes the text size
.note
36
color
equal gaps, none at ends
Yes
HTML
6
Yes
No
font-size
puts boxes in the middle
3
4
<li class="big">
;
li
purple
counts down a timer
3
252
yellow
False
800px or wider
in the middle
white
330
red
an id selector
red
30
<div class="big">
centres a heading
text-align
HTML
content

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