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
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1.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
height: 160px;
padding: 30px;
border: 1px solid black;
margin: 0px;
} -
2.✍️ What value is given to font-size in this rule?
li {
border: 2px solid;
font-size: 20px;
margin: 10px;
padding: 8px;
} (a) center (b) yellow (c) 20px (d) font-size -
3.📱 The screen is 700px wide. Does the rule inside @media apply?
p {
font-size: 16px;
}
@media (min-width: 768px) {
p {
font-size: 24px;
}
} (a) Yes (b) No -
4.✍️ How many declarations (property: value pairs) are in this rule?
li {
padding: 8px;
text-align: center;
} - 5.🧩 Which language gives the page structure? (a) HTML (b) CSS (c) JavaScript
- 6.✍️ CSS declarations go inside which brackets? (a) [ ] (b) ( ) (c) { } (d) < >
- 7.🔍 Which is the odd one out? (a) checks a quiz answer (b) makes a form box (c) puts a picture on a page (d) makes headings and lists
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8.✍️ What is the selector in this CSS rule?
.box {
color: red;
background-color: yellow;
text-align: center;
} (a) h2 (b) yellow (c) color (d) .box - 9.🎨 Which attribute adds CSS inside one tag? (a) alt (b) src (c) href (d) style
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10.⚖️ What colour is the text of this element?
<h2 class="big" id="intro">Hi</h2>
CSS:
h2 { color: yellow; }
h2 { color: blue; } (a) red (b) yellow (c) green (d) blue - 11.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the shorter one (b) neither (c) the later one (d) the first one
- 12.True or false: margin is the gap to other boxes. (a) True (b) False
- 13.💪 Which justify-content value packs boxes at the end? (a) space-between (b) flex-end (c) flex-start (d) center
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14.🖌️ How big is the text, in px?
li {
font-size: 16px;
color: green;
background-color: orange;
text-align: left;
} -
15.✍️ How many declarations (property: value pairs) are in this rule?
#top {
margin: 10px;
} - 16.⚖️ Which selector is the weakest? (a) a class selector (b) an element selector (c) an id selector
- 17.🌈 Which colour is #ffffff? (a) blue (b) bright green (c) cyan (d) white
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18.🎯 Which CSS selector matches this element?
<p class="box" id="intro">Hello</p> (a) #main (b) h1 (c) #box (d) .box -
19.💪 How much empty space (px) is before the first box?
.row {
display: flex;
width: 500px;
justify-content: center;
}
Inside are 4 boxes, each 100px wide (no margins). - 20.✍️ In color: blue; which part is the property? (a) : (b) color (c) blue (d) ;
- 21.📦 In the box model, which part is space outside the border? (a) padding (b) content (c) border (d) margin
- 22.🌈 What is the biggest number one colour can have in rgb()? (a) 99 (b) 100 (c) 1000 (d) 255
- 23.True or false: #main is a class selector. (a) False (b) True
- 24.📦 In the box model, which part is the gap to other boxes? (a) content (b) border (c) margin (d) padding
-
25.✍️ What is the selector in this CSS rule?
.note {
width: 300px;
font-size: 20px;
background-color: yellow;
text-align: center;
} (a) .note (b) #top (c) width (d) 20px -
26.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
height: 200px;
padding: 20px;
border: 3px solid black;
margin: 5px;
} -
27.✍️ Which property is set to red in this rule?
p {
color: red;
text-align: center;
width: 300px;
border: 2px solid;
} (a) font-size (b) red (c) text-align (d) color - 28.🎯 Which sign starts a class selector? (a) # (b) & (c) @ (d) .
- 29.🌈 Which colour is rgb(255, 0, 255)? (a) bright green (b) magenta (c) yellow (d) black
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30.📱 The screen is 1366px wide. What font-size (px) does the paragraph get?
p {
font-size: 12px;
}
@media (min-width: 768px) {
p {
font-size: 18px;
}
} -
31.✍️ Which property is set to bold in this rule?
p {
font-weight: bold;
font-style: italic;
padding: 8px;
} (a) width (b) font-weight (c) bold (d) border -
32.🖌️ How big is the text, in px?
h1 {
background-color: green;
font-size: 28px;
color: orange;
text-align: right;
} - 33.✍️ How does a CSS comment start? (a) // (b) # (c) <!-- (d) /*
- 34.🎯 How many elements on a page should have the same id? (a) 1 (b) 2 (c) 5 (d) any number
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35.🖌️ Where does the text sit on its line?
h2 {
text-align: left;
color: red;
background-color: green;
font-size: 28px;
} (a) in the middle (b) on the right (c) on the left -
36.⚖️ What colour is the text of this element?
<h1 class="big" id="logo">Hi</h1>
CSS:
h1 { color: green; }
h1 { color: yellow; } (a) blue (b) green (c) yellow (d) orange -
37.✍️ What is the selector in this CSS rule?
h2 {
font-weight: bold;
padding: 8px;
color: red;
width: 300px;
} (a) font-weight (b) 8px (c) h2 (d) h1 - 38.🔍 Which is the odd one out? (a) makes headings and lists (b) counts down a timer (c) makes a form box (d) puts a picture on a page
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39.⚖️ What colour is the text of this element?
<h1 class="menu" id="logo">Hi</h1>
CSS:
.menu { color: purple; }
#logo { color: green; }
h1 { color: blue; } (a) blue (b) purple (c) black (d) green - 40.🎯 Which element does the selector .big style? (a) <li id="big"> (b) <li class="big"> (c) <div class="box"> (d) <li class="red">
Answer key
- 222
- 20px
- No
- 2
- HTML
- { }
- checks a quiz answer
- .box
- style
- blue
- the later one
- True
- flex-end
- 16
- 1
- an element selector
- white
- .box
- 50
- color
- margin
- 255
- False
- margin
- .note
- 256
- color
- .
- magenta
- 18
- font-weight
- 28
- /*
- 1
- on the left
- yellow
- h2
- counts down a timer
- green
- <li class="big">
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