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 justify-content value puts boxes in the middle? (a) flex-start (b) flex-end (c) center (d) space-between
-
2.⚖️ What colour is the text of this element?
<h1 class="star" id="logo">Hi</h1>
CSS:
h1 { color: yellow; }
h1 { color: orange; } (a) green (b) blue (c) yellow (d) orange - 3.🖌️ Which CSS property colours behind the text? (a) background-color (b) text-align (c) color (d) font-size
- 4.📱 min-width: 800px applies when the screen is ___. (a) 800px or wider (b) exactly 100px (c) 800px or narrower (d) turned off
-
5.💪 How wide (px) is each gap between two boxes?
.row {
display: flex;
width: 340px;
justify-content: space-between;
}
Inside are 3 boxes, each 80px wide (no margins). - 6.✍️ CSS declarations go inside which brackets? (a) ( ) (b) { } (c) [ ] (d) < >
- 7.📱 What does a media query check? (a) the time of day (b) the page title (c) the battery level (d) the screen width
-
8.⚖️ What colour is the text of this element?
<p class="menu" id="top">Hi</p>
CSS:
.menu { color: red; }
#top { color: purple; }
p { color: black; } (a) black (b) blue (c) purple (d) red - 9.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 3 (b) 2 (c) 4 (d) 6
-
10.✍️ Which property is set to italic in this rule?
.box {
font-style: italic;
padding: 8px;
} (a) font-style (b) italic (c) font-size (d) color - 11.🔍 Which is the odd one out? (a) shows a pop-up message (b) changes the page live (c) makes a form box (d) counts down a timer
- 12.💪 Which justify-content value equal gaps, none at ends? (a) flex-start (b) center (c) space-between (d) flex-end
-
13.⚖️ What colour is the text of this element?
<h1 class="note" id="logo">Hi</h1>
CSS:
#logo { color: black; }
#logo { color: green; } (a) green (b) black (c) red (d) yellow - 14.🎯 Which element does the selector #intro style? (a) <h1 class="intro"> (b) <h1 id="main"> (c) <h1 id="intro"> (d) <h2 class="big">
-
15.📦 How much space across (px) does this box take in all, margin included?
.box {
width: 300px;
padding: 5px;
border: 3px solid black;
margin: 15px;
} - 16.Which of these does HTML do? (a) changes the page live (b) shows a pop-up message (c) makes headings and lists (d) reacts to a button click
- 17.🎨 One CSS file can style how many pages? (a) no pages (b) only one image (c) only one word (d) many pages
- 18.True or false: CSS makes a link. (a) False (b) True
- 19.🎨 A CSS file usually ends with which extension? (a) .js (b) .html (c) .png (d) .css
-
20.📱 The screen is 414px wide. Does the rule inside @media apply?
p {
font-size: 20px;
}
@media (max-width: 1024px) {
p {
font-size: 14px;
}
} (a) Yes (b) No -
21.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
p {
font-size: 24px;
}
@media (max-width: 480px) {
p {
font-size: 22px;
}
} - 22.🌈 In #rrggbb, which colour do the first two digits give? (a) black (b) green (c) red (d) blue
-
23.⚖️ What colour is the text of this element?
<p class="big" id="logo">Hi</p>
CSS:
p { color: white; }
p { color: green; } (a) blue (b) red (c) white (d) green -
24.📦 How much space across (px) does this box take in all, margin included?
.box {
width: 230px;
padding: 25px;
border: 4px solid black;
margin: 5px;
} -
25.⚖️ What colour is the text of this element?
<p class="red" id="end">Hi</p>
CSS:
.red { color: orange; }
.red { color: white; } (a) purple (b) green (c) orange (d) white - 26.🧩 Which language changes the page live? (a) CSS (b) HTML (c) JavaScript
- 27.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the shorter one (b) the first one (c) neither (d) the later one
-
28.💪 How much empty space (px) is before the first box?
.row {
display: flex;
width: 130px;
justify-content: flex-end;
}
Inside are 3 boxes, each 40px wide (no margins). -
29.💪 How much empty space (px) is left after the last box?
.row {
display: flex;
width: 260px;
justify-content: flex-start;
}
Inside are 2 boxes, each 100px wide (no margins). - 30.Which of these is margin? (a) space inside the border (b) a solid or dotted edge (c) the gap to other boxes (d) the line round the box
-
31.⚖️ What colour is the text of this element?
<h1 class="note" id="end">Hi</h1>
CSS:
h1 { color: black; }
#end { color: purple; } (a) black (b) orange (c) purple (d) green - 32.💪 Which flexbox property turns on flexbox? (a) display: flex (b) gap (c) flex-direction (d) align-items
- 33.📦 In the box model, which part is the line round the box? (a) margin (b) padding (c) content (d) border
- 34.🖌️ Which CSS property sets the letter colour? (a) font-family (b) font-weight (c) background-color (d) color
- 35.Which of these does CSS do? (a) changes the text size (b) checks a quiz answer (c) gives the page structure (d) reacts to a button click
- 36.🧩 Which language counts down a timer? (a) CSS (b) JavaScript (c) HTML
-
37.🎯 Which CSS selector matches this element?
<li class="red" id="main">Hello</li> (a) .main (b) li (c) .box (d) #red -
38.⚖️ What colour is the text of this element?
<p class="note" id="top">Hi</p>
CSS:
p { color: orange; }
#top { color: blue; }
.note { color: yellow; } (a) yellow (b) orange (c) black (d) blue -
39.✍️ Which property is set to center in this rule?
h1 {
text-align: center;
background-color: yellow;
margin: 10px;
font-style: italic;
} (a) background-color (b) text-align (c) center (d) margin -
40.💪 How wide (px) is each gap between two boxes?
.row {
display: flex;
width: 440px;
justify-content: space-between;
}
Inside are 4 boxes, each 80px wide (no margins).
Answer key
- center
- orange
- background-color
- 800px or wider
- 50
- { }
- the screen width
- purple
- 3
- font-style
- makes a form box
- space-between
- green
- <h1 id="intro">
- 346
- makes headings and lists
- many pages
- False
- .css
- Yes
- 24
- red
- green
- 298
- white
- JavaScript
- the later one
- 10
- 60
- the gap to other boxes
- purple
- display: flex
- border
- color
- changes the text size
- JavaScript
- li
- blue
- text-align
- 40
Free html and css lessons, practice and worksheets at talentjr.in/html-css-for-kids