CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 90 · 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.

NameDateTime takenScore ___ / 40

1.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
p {
  font-size: 24px;
}
@media (max-width: 768px) {
  p {
    font-size: 22px;
  }
}
2.Which of these is the border? (a) the gap round content (b) space inside the border (c) the text or picture (d) the line round the box
3.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
p {
  font-size: 12px;
}
@media (max-width: 768px) {
  p {
    font-size: 6px;
  }
}
4.🧩 Which language makes a form box? (a) CSS (b) HTML (c) JavaScript
5.💪 Which flexbox property picks row or column? (a) align-items (b) justify-content (c) gap (d) flex-direction
6.💪 How wide (px) is each gap between two boxes?
.row {
  display: flex;
  width: 170px;
  justify-content: space-between;
}
Inside are 2 boxes, each 60px wide (no margins).
7.⚖️ What colour is the text of this element?
<h1 class="menu" id="main">Hi</h1>
CSS:
#main { color: orange; }
#main { color: red; } (a) orange (b) white (c) blue (d) red
8.📱 min-width: 800px applies when the screen is ___. (a) 800px or wider (b) 800px or narrower (c) exactly 100px (d) turned off
9.🌈 Which colour is #ff00ff? (a) red (b) magenta (c) black (d) cyan
10.✍️ What value is given to font-style in this rule?
.box {
  border: 2px solid;
  text-align: center;
  font-style: italic;
} (a) 20px (b) red (c) italic (d) font-style
11.✍️ What is the selector in this CSS rule?
body {
font-style: italic;
padding: 8px;
} (a) body (b) 8px (c) .box (d) font-style
12.⚖️ Which selector is the weakest? (a) an id selector (b) a class selector (c) an element selector
13.✍️ What is the selector in this CSS rule?
body {
  padding: 8px;
  text-align: center;
  margin: 10px;
  background-color: yellow;
} (a) center (b) body (c) padding (d) .box
14.🌈 What is the biggest number one colour can have in rgb()? (a) 99 (b) 255 (c) 100 (d) 1000
15.✍️ Which property is set to center in this rule?
li {
  font-size: 20px;
  width: 300px;
  text-align: center;
} (a) margin (b) background-color (c) text-align (d) center
16.💪 How much empty space (px) is left after the last box?
.row {
  display: flex;
  width: 150px;
  justify-content: flex-start;
}
Inside are 2 boxes, each 50px wide (no margins).
17.⚖️ What colour is the text of this element?
<p class="box" id="intro">Hi</p>
CSS:
#intro { color: yellow; }
#intro { color: white; } (a) red (b) green (c) white (d) yellow
18.🖌️ How big is the text, in px?
p {
  background-color: purple;
  text-align: left;
  font-size: 16px;
  color: white;
}
19.🎨 Which tag holds CSS inside the head? (a) <style> (b) <script> (c) <css> (d) <body>
20.✍️ What is the selector in this CSS rule?
#top {
  background-color: yellow;
  font-weight: bold;
  margin: 10px;
} (a) bold (b) #top (c) background-color (d) li
21.🎯 Which CSS selector matches this element?
<p class="big" id="main">Hello</p> (a) .main (b) h1 (c) .red (d) #main
22.🖌️ What colour is behind the letters?
p {
  background-color: blue;
  color: red;
  text-align: center;
  font-size: 16px;
} (a) orange (b) blue (c) red
23.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the shorter one (b) neither (c) the first one (d) the later one
24.🌈 Which colour is #ffffff? (a) bright green (b) white (c) black (d) blue
25.🎯 Which sign starts a class selector? (a) & (b) # (c) @ (d) .
26.🔍 Which is the odd one out? (a) lays out the page (b) sets colours and fonts (c) makes a form box (d) changes the text size
27.✍️ What is the selector in this CSS rule?
h1 {
color: red;
font-style: italic;
} (a) color (b) h1 (c) p (d) italic
28.💪 How much empty space (px) is left after the last box?
.row {
  display: flex;
  width: 250px;
  justify-content: flex-start;
}
Inside are 3 boxes, each 60px wide (no margins).
29.✍️ In color: blue; which part is the value? (a) blue (b) ; (c) : (d) color
30.🧩 Which language sets colours and fonts? (a) HTML (b) CSS (c) JavaScript
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: 250px;
  padding: 25px;
  border: 4px solid black;
  margin: 15px;
}
32.🎯 Which element does the selector span style? (a) <span class="big"> (b) <h1 class="big"> (c) <p> (d) <h2 id="hero">
33.🧩 Which language counts down a timer? (a) HTML (b) JavaScript (c) CSS
34.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
  height: 90px;
  padding: 20px;
  border: 3px solid black;
  margin: 5px;
}
35.✍️ How many declarations (property: value pairs) are in this rule?
body {
  margin: 10px;
  color: red;
  font-size: 20px;
}
36.🌈 Hex digits go 0 to 9, then A to which letter? (a) G (b) J (c) Z (d) F
37.✍️ How many declarations (property: value pairs) are in this rule?
p {
padding: 8px;
}
38.✍️ How many declarations (property: value pairs) are in this rule?
li {
  font-style: italic;
  margin: 10px;
  width: 300px;
  padding: 8px;
}
39.Which of these is padding? (a) the line round the box (b) space inside the border (c) a solid or dotted edge (d) the gap to other boxes
40.🖌️ How big is the text, in px?
li {
  font-size: 28px;
  color: black;
  background-color: blue;
  text-align: right;
}

Answer key

22
the line round the box
6
HTML
flex-direction
50
red
800px or wider
magenta
italic
body
an element selector
body
255
text-align
50
white
16
<style>
#top
#main
blue
the later one
white
.
makes a form box
h1
70
blue
CSS
308
<span class="big">
JavaScript
146
3
F
1
4
space inside the border
28

Free html and css lessons, practice and worksheets at talentjr.in/html-css-for-kids