CSS Worksheet: Practice Test
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.🎯 Which sign starts a class selector? (a) & (b) # (c) . (d) @
- 2.📱 What does a media query check? (a) the battery level (b) the page title (c) the screen width (d) the time of day
- 3.⚖️ Which selector is the weakest? (a) an id selector (b) a class selector (c) an element selector
- 4.🧩 Which language counts down a timer? (a) JavaScript (b) CSS (c) HTML
-
5.✍️ What is the selector in this CSS rule?
h2 {
text-align: center;
margin: 10px;
} (a) 10px (b) h2 (c) h1 (d) text-align -
6.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
p {
font-size: 24px;
}
@media (min-width: 600px) {
p {
font-size: 32px;
}
} -
7.✍️ Which property is set to 8px in this rule?
h1 {
padding: 8px;
font-weight: bold;
font-size: 20px;
margin: 10px;
} (a) border (b) 8px (c) padding (d) font-weight -
8.✍️ What is the selector in this CSS rule?
.note {
font-weight: bold;
text-align: center;
color: red;
font-size: 20px;
} (a) font-weight (b) .note (c) #top (d) center - 9.🧩 Which language shows a pop-up message? (a) JavaScript (b) HTML (c) CSS
-
10.🖌️ How big is the text, in px?
li {
text-align: center;
color: green;
font-size: 20px;
background-color: orange;
} -
11.🖌️ What colour are the letters?
h1 {
text-align: left;
color: green;
background-color: white;
font-size: 36px;
} (a) green (b) orange (c) white - 12.True or false: CSS changes the text size. (a) True (b) False
- 13.🌈 Which colour is rgb(0, 255, 255)? (a) cyan (b) white (c) red (d) yellow
- 14.Which of these does JavaScript do? (a) counts down a timer (b) makes headings and lists (c) rounds box corners (d) makes a form box
-
15.🖌️ How big is the text, in px?
h1 {
background-color: green;
text-align: center;
font-size: 16px;
color: orange;
} -
16.💪 How much empty space (px) is before the first box?
.row {
display: flex;
width: 260px;
justify-content: center;
}
Inside are 2 boxes, each 50px wide (no margins). - 17.🌈 In #00f600 the green part is the hex number f6. What is it as a normal number?
-
18.⚖️ What colour is the text of this element?
<p class="red" id="end">Hi</p>
CSS:
#end { color: orange; }
.red { color: red; } (a) red (b) orange (c) white (d) black - 19.Which of these is the border? (a) the gap round content (b) space outside the border (c) space inside the border (d) the line round the box
- 20.🌈 Which colour is #00ff00? (a) red (b) yellow (c) blue (d) bright green
- 21.🔍 Which is the odd one out? (a) makes a form box (b) changes the page live (c) makes headings and lists (d) makes a link
-
22.⚖️ What colour is the text of this element?
<p class="big" id="logo">Hi</p>
CSS:
p { color: yellow; }
#logo { color: black; } (a) yellow (b) green (c) red (d) black -
23.⚖️ What colour is the text of this element?
<h1 class="big" id="main">Hi</h1>
CSS:
#main { color: orange; }
h1 { color: green; }
.big { color: yellow; } (a) orange (b) red (c) yellow (d) green -
24.💪 How much empty space (px) is before the first box?
.row {
display: flex;
width: 210px;
justify-content: flex-end;
}
Inside are 2 boxes, each 100px wide (no margins). -
25.📦 How much space across (px) does this box take in all, margin included?
.box {
width: 220px;
padding: 5px;
border: 5px solid black;
margin: 15px;
} -
26.🖌️ Where does the text sit on its line?
li {
font-size: 20px;
color: green;
text-align: right;
background-color: white;
} (a) in the middle (b) on the left (c) on the right - 27.🌈 In #007a00 the green part is the hex number 7a. What is it as a normal number?
-
28.🖌️ How big is the text, in px?
h1 {
background-color: red;
font-size: 12px;
text-align: left;
color: blue;
} -
29.📱 The screen is 320px wide. Does the rule inside @media apply?
p {
font-size: 20px;
}
@media (min-width: 600px) {
p {
font-size: 22px;
}
} (a) Yes (b) No - 30.🌈 In #rrggbb, which colour do the first two digits give? (a) red (b) blue (c) black (d) green
-
31.✍️ Which property is set to 300px in this rule?
h1 {
font-weight: bold;
width: 300px;
} (a) font-style (b) width (c) color (d) 300px - 32.🌈 Which colour is rgb(255, 255, 255)? (a) bright green (b) white (c) blue (d) red
-
33.🖌️ Where does the text sit on its line?
p {
text-align: left;
font-size: 28px;
background-color: white;
color: red;
} (a) on the right (b) in the middle (c) on the left - 34.✍️ CSS declarations go inside which brackets? (a) { } (b) ( ) (c) [ ] (d) < >
-
35.✍️ What value is given to text-align in this rule?
body {
text-align: center;
color: red;
margin: 10px;
} (a) 10px (b) center (c) text-align (d) yellow -
36.✍️ What is the selector in this CSS rule?
h2 {
color: red;
font-weight: bold;
} (a) h1 (b) h2 (c) bold (d) color - 37.⚖️ Which selector is the strongest? (a) a class selector (b) an id selector (c) an element selector
-
38.💪 How much empty space (px) is before the first box?
.row {
display: flex;
width: 260px;
justify-content: center;
}
Inside are 2 boxes, each 80px wide (no margins). - 39.📱 max-width: 600px applies when the screen is ___. (a) 600px or narrower (b) turned off (c) exactly 1000px (d) 600px or wider
-
40.🖌️ What colour is behind the letters?
li {
text-align: right;
background-color: blue;
font-size: 36px;
color: green;
} (a) black (b) blue (c) green
Answer key
- .
- the screen width
- an element selector
- JavaScript
- h2
- 24
- padding
- .note
- JavaScript
- 20
- green
- True
- cyan
- counts down a timer
- 16
- 80
- 246
- orange
- the line round the box
- bright green
- changes the page live
- black
- orange
- 10
- 270
- on the right
- 122
- 12
- No
- red
- width
- white
- on the left
- { }
- center
- h2
- an id selector
- 50
- 600px or narrower
- blue
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