CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 970 · 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.

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1.Which of these does JavaScript do? (a) changes the page live (b) makes a form box (c) changes the text size (d) puts a picture on a page
2.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
p {
  font-size: 24px;
}
@media (max-width: 600px) {
  p {
    font-size: 18px;
  }
}
3.📱 The screen is 540px wide. Does the rule inside @media apply?
p {
  font-size: 20px;
}
@media (max-width: 480px) {
  p {
    font-size: 18px;
  }
} (a) No (b) Yes
4.💪 How much empty space (px) is left after the last box?
.row {
  display: flex;
  width: 360px;
  justify-content: flex-start;
}
Inside are 3 boxes, each 100px wide (no margins).
5.🖌️ What colour are the letters?
li {
  text-align: left;
  background-color: yellow;
  color: white;
  font-size: 32px;
} (a) yellow (b) white (c) blue
6.📦 How much space top to bottom (px) does this box take in all, margin included?
.box {
  height: 50px;
  padding: 30px;
  border: 4px solid black;
  margin: 0px;
}
7.📱 Which tag helps phones show a page at the right size? (a) the br tag (b) the title tag (c) the hr tag (d) the viewport meta tag
8.📦 In the box model, which part is a solid or dotted edge? (a) margin (b) content (c) padding (d) border
9.🔍 Which is the odd one out? (a) sets colours and fonts (b) lays out the page (c) puts a picture on a page (d) changes the text size
10.💪 Which justify-content value packs boxes at the end? (a) flex-start (b) center (c) space-between (d) flex-end
11.True or false: CSS adds space around boxes. (a) False (b) True
12.⚖️ What colour is the text of this element?
<h2 class="menu" id="intro">Hi</h2>
CSS:
.menu { color: blue; }
.menu { color: white; } (a) black (b) yellow (c) blue (d) white
13.✍️ Which property is set to center in this rule?
h2 {
text-align: center;
font-weight: bold;
} (a) background-color (b) margin (c) text-align (d) center
14.True or false: .big is a class selector. (a) True (b) False
15.🌈 In #rrggbb, which colour do the last two digits give? (a) white (b) blue (c) green (d) red
16.📦 How much space across (px) does this box take in all, margin included?
.box {
  width: 250px;
  padding: 5px;
  border: 5px solid black;
  margin: 10px;
}
17.💪 How much empty space (px) is left after the last box?
.row {
  display: flex;
  width: 210px;
  justify-content: flex-start;
}
Inside are 3 boxes, each 50px wide (no margins).
18.What does justify-content: center do? (a) puts boxes in the middle (b) packs boxes at the start (c) equal gaps, none at ends (d) packs boxes at the end
19.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
p {
  font-size: 24px;
}
@media (max-width: 480px) {
  p {
    font-size: 18px;
  }
}
20.What does font-family do? (a) makes letters bigger (b) sets the letter colour (c) picks the font style (d) centres a heading
21.What does text-align do? (a) sets the letter colour (b) centres a heading (c) makes letters bigger (d) colours behind the text
22.✍️ Which property is set to 20px in this rule?
h1 {
  font-size: 20px;
  margin: 10px;
  width: 300px;
  padding: 8px;
} (a) 20px (b) text-align (c) background-color (d) font-size
23.✍️ In color: blue; which part is the property? (a) blue (b) : (c) ; (d) color
24.Which of these is padding? (a) the line round the box (b) the gap to other boxes (c) space outside the border (d) the gap round content
25.✍️ What value is given to width in this rule?
p {
color: red;
width: 300px;
} (a) width (b) red (c) 300px (d) italic
26.🖌️ What colour are the letters?
li {
  font-size: 32px;
  color: orange;
  background-color: blue;
  text-align: center;
} (a) yellow (b) blue (c) orange
27.🖌️ Where does the text sit on its line?
p {
  text-align: center;
  font-size: 20px;
  color: green;
  background-color: orange;
} (a) in the middle (b) on the left (c) on the right
28.🌈 Which colour is rgb(0, 0, 255)? (a) yellow (b) bright green (c) magenta (d) blue
29.⚖️ What colour is the text of this element?
<p class="big" id="main">Hi</p>
CSS:
p { color: red; }
p { color: green; } (a) blue (b) red (c) black (d) green
30.🌈 Which colour of light is strongest in rgb(169, 127, 62)? (a) red (b) green (c) blue
31.What does justify-content: space-between do? (a) packs boxes at the start (b) puts boxes in the middle (c) equal gaps, none at ends (d) packs boxes at the end
32.🎯 Which CSS selector matches this element?
<h2 class="menu" id="logo">Hello</h2> (a) .note (b) .logo (c) #menu (d) h2
33.🧩 Which language shows a pop-up message? (a) CSS (b) JavaScript (c) HTML
34.✍️ Which sign ends each CSS declaration? (a) , (b) . (c) ; (d) :
35.🎯 Which sign starts a class selector? (a) . (b) # (c) & (d) @
36.🖌️ What colour are the letters?
h1 {
  background-color: purple;
  text-align: left;
  font-size: 28px;
  color: yellow;
} (a) white (b) yellow (c) purple
37.🌈 What is the biggest number one colour can have in rgb()? (a) 100 (b) 255 (c) 1000 (d) 99
38.✍️ How many declarations (property: value pairs) are in this rule?
.note {
  border: 2px solid;
  text-align: center;
  padding: 8px;
}
39.📱 The screen is 320px wide. Does the rule inside @media apply?
p {
  font-size: 12px;
}
@media (min-width: 768px) {
  p {
    font-size: 14px;
  }
} (a) No (b) Yes
40.🎯 What kind of selector is #main? (a) a class selector (b) an element selector (c) an id selector

Answer key

changes the page live
24
No
60
white
118
the viewport meta tag
border
puts a picture on a page
flex-end
True
white
text-align
True
blue
290
60
puts boxes in the middle
18
picks the font style
centres a heading
font-size
color
the gap round content
300px
orange
in the middle
blue
green
red
equal gaps, none at ends
h2
JavaScript
;
.
yellow
255
3
No
an id selector

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