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.What does font-size do? (a) picks the font style (b) makes letters bigger (c) sets the letter colour (d) colours behind the text
-
2.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
height: 70px;
padding: 10px;
border: 5px solid black;
margin: 5px;
} -
3.💪 How much empty space (px) is left after the last box?
.row {
display: flex;
width: 260px;
justify-content: flex-start;
}
Inside are 3 boxes, each 80px wide (no margins). -
4.⚖️ What colour is the text of this element?
<h1 class="big" id="end">Hi</h1>
CSS:
#end { color: orange; }
#end { color: white; } (a) yellow (b) red (c) white (d) orange -
5.📱 The screen is 414px wide. Does the rule inside @media apply?
p {
font-size: 24px;
}
@media (max-width: 480px) {
p {
font-size: 20px;
}
} (a) No (b) Yes -
6.⚖️ What colour is the text of this element?
<h2 class="big" id="intro">Hi</h2>
CSS:
#intro { color: orange; }
#intro { color: yellow; } (a) green (b) yellow (c) orange (d) white -
7.🎯 Which CSS selector matches this element?
<div class="box" id="end">Hello</div> (a) span (b) .star (c) div (d) .end - 8.🌈 Which colour is #ff0000? (a) red (b) magenta (c) blue (d) yellow
-
9.⚖️ What colour is the text of this element?
<h2 class="note" id="hero">Hi</h2>
CSS:
.note { color: green; }
h2 { color: yellow; }
#hero { color: blue; } (a) yellow (b) purple (c) blue (d) green - 10.✍️ CSS declarations go inside which brackets? (a) ( ) (b) [ ] (c) { } (d) < >
- 11.🎯 Can many elements share the same class? (a) No (b) Yes
- 12.Which of these is the content? (a) the gap round content (b) the text or picture (c) the line round the box (d) space outside the border
- 13.⚖️ Which selector is the weakest? (a) an id selector (b) a class selector (c) an element selector
-
14.🎯 Which CSS selector matches this element?
<li class="box" id="main">Hello</li> (a) div (b) .main (c) #logo (d) li -
15.🖌️ How big is the text, in px?
p {
color: red;
background-color: white;
font-size: 12px;
text-align: left;
} -
16.🖌️ What colour are the letters?
h1 {
font-size: 40px;
background-color: orange;
text-align: center;
color: yellow;
} (a) orange (b) yellow (c) black -
17.📱 The screen is 375px wide. Does the rule inside @media apply?
p {
font-size: 24px;
}
@media (min-width: 480px) {
p {
font-size: 26px;
}
} (a) Yes (b) No -
18.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
height: 200px;
padding: 10px;
border: 4px solid black;
margin: 10px;
} -
19.🖌️ What colour are the letters?
h1 {
background-color: black;
font-size: 24px;
color: yellow;
text-align: center;
} (a) yellow (b) green (c) black -
20.🖌️ How big is the text, in px?
li {
background-color: purple;
text-align: center;
font-size: 36px;
color: red;
} -
21.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
height: 100px;
padding: 30px;
border: 3px solid black;
margin: 5px;
} - 22.True or false: .big is a class selector. (a) False (b) True
-
23.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
p {
font-size: 16px;
}
@media (max-width: 1024px) {
p {
font-size: 14px;
}
} -
24.📦 How much space across (px) does this box take in all, margin included?
.box {
width: 80px;
padding: 30px;
border: 4px solid black;
margin: 15px;
} -
25.✍️ What value is given to background-color in this rule?
p {
margin: 10px;
background-color: yellow;
font-style: italic;
} (a) 10px (b) background-color (c) 8px (d) yellow - 26.📱 min-width: 800px applies when the screen is ___. (a) exactly 100px (b) 800px or wider (c) 800px or narrower (d) turned off
-
27.🖌️ How big is the text, in px?
h2 {
color: orange;
background-color: yellow;
text-align: left;
font-size: 16px;
} - 28.🧩 Which language makes headings and lists? (a) CSS (b) JavaScript (c) HTML
-
29.🖌️ How big is the text, in px?
p {
background-color: black;
text-align: left;
color: green;
font-size: 36px;
} - 30.📦 In the box model, which part is the gap round content? (a) margin (b) content (c) border (d) padding
- 31.🌈 Hex digits go 0 to 9, then A to which letter? (a) G (b) F (c) Z (d) J
- 32.🎨 One CSS file can style how many pages? (a) many pages (b) only one image (c) only one word (d) no pages
-
33.💪 How much empty space (px) is before the first box?
.row {
display: flex;
width: 270px;
justify-content: flex-end;
}
Inside are 4 boxes, each 50px wide (no margins). - 34.Which of these does CSS do? (a) reacts to a button click (b) shows a pop-up message (c) counts down a timer (d) sets colours and fonts
- 35.📱 Which tag helps phones show a page at the right size? (a) the title tag (b) the hr tag (c) the viewport meta tag (d) the br tag
- 36.✍️ In color: blue; which part is the value? (a) ; (b) color (c) blue (d) :
-
37.💪 How much empty space (px) is before the first box?
.row {
display: flex;
width: 320px;
justify-content: center;
}
Inside are 2 boxes, each 100px wide (no margins). - 38.What does justify-content: center do? (a) packs boxes at the end (b) packs boxes at the start (c) puts boxes in the middle (d) equal gaps, none at ends
-
39.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
height: 50px;
padding: 25px;
border: 3px solid black;
margin: 10px;
} - 40.🌈 Which colour is rgb(255, 255, 0)? (a) yellow (b) red (c) blue (d) cyan
Answer key
- makes letters bigger
- 110
- 20
- white
- Yes
- yellow
- div
- red
- blue
- { }
- Yes
- the text or picture
- an element selector
- li
- 12
- yellow
- No
- 248
- yellow
- 36
- 176
- True
- 14
- 178
- yellow
- 800px or wider
- 16
- HTML
- 36
- padding
- F
- many pages
- 70
- sets colours and fonts
- the viewport meta tag
- blue
- 60
- puts boxes in the middle
- 126
- yellow
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