CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 138 · 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.

1. 1.⚖️ What colour is the text of this element?
   <h2 class="note" id="hero">Hi</h2>
   CSS:
   #hero { color: purple; }
   #hero { color: red; } (a) yellow (b) red (c) purple (d) green
2. 2.⚖️ Which selector is the strongest? (a) an id selector (b) an element selector (c) a class selector
3. 3.🎯 What kind of selector is #main? (a) an id selector (b) a class selector (c) an element selector
4. 4.✍️ CSS declarations go inside which brackets? (a) [ ] (b) { } (c) < > (d) ( )
5. 5.🌈 Hex digits go 0 to 9, then A to which letter? (a) F (b) G (c) Z (d) J
6. 6.📦 In the box model, which part is a solid or dotted edge? (a) border (b) margin (c) padding (d) content
7. 7.True or false: CSS sets colours and fonts. (a) True (b) False
8. 8.🖌️ What colour are the letters?
   h1 {
     background-color: blue;
     text-align: center;
     color: purple;
     font-size: 32px;
   } (a) purple (b) blue (c) yellow
9. 9.🖌️ Where does the text sit on its line?
   h2 {
     color: red;
     font-size: 40px;
     background-color: blue;
     text-align: left;
   } (a) in the middle (b) on the left (c) on the right
10. 10.✍️ Which property is set to 20px in this rule?
    .note {
      font-size: 20px;
      border: 2px solid;
    } (a) text-align (b) font-size (c) 20px (d) background-color
11. 11.What does background-color do? (a) picks the font style (b) sets the letter colour (c) makes the text bold (d) colours behind the text
12. 12.🖌️ What colour is behind the letters?
    li {
      background-color: green;
      font-size: 32px;
      text-align: center;
      color: orange;
    } (a) orange (b) white (c) green
13. 13.🎯 Which CSS selector matches this element?
    <div class="red" id="intro">Hello</div> (a) .red (b) #red (c) span (d) #main
14. 14.🎯 Which element does the selector h2 style? (a) <h2 class="menu"> (b) <li> (c) <div class="menu"> (d) <span id="end">
15. 15.⚖️ What colour is the text of this element?
    <h2 class="box" id="hero">Hi</h2>
    CSS:
    #hero { color: orange; }
    #hero { color: purple; } (a) orange (b) green (c) purple (d) white
16. 16.🖌️ What colour is behind the letters?
    h2 {
      font-size: 36px;
      background-color: red;
      text-align: right;
      color: white;
    } (a) white (b) green (c) red
17. 17.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 160px;
      padding: 20px;
      border: 3px solid black;
      margin: 15px;
    }
18. 18.🖌️ What colour is behind the letters?
    li {
      font-size: 40px;
      color: red;
      text-align: center;
      background-color: white;
    } (a) red (b) blue (c) white
19. 19.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 6 (b) 2 (c) 3 (d) 4
20. 20.✍️ What value is given to font-size in this rule?
    h1 {
      font-size: 20px;
      padding: 8px;
      text-align: center;
    } (a) font-size (b) center (c) yellow (d) 20px
21. 21.✍️ What is the selector in this CSS rule?
    .box {
      border: 2px solid;
      font-weight: bold;
    } (a) .box (b) bold (c) border (d) h2
22. 22.What does font-size do? (a) picks the font style (b) makes letters bigger (c) sets the letter colour (d) centres a heading
23. 23.🌈 In #rrggbb, which colour do the last two digits give? (a) white (b) blue (c) red (d) green
24. 24.✍️ Which sign ends each CSS declaration? (a) . (b) ; (c) : (d) ,
25. 25.🎯 Can many elements share the same class? (a) Yes (b) No
26. 26.📱 The screen is 375px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (min-width: 768px) {
      p {
        font-size: 14px;
      }
    } (a) No (b) Yes
27. 27.⚖️ What colour is the text of this element?
    <h1 class="big" id="main">Hi</h1>
    CSS:
    .big { color: purple; }
    .big { color: blue; } (a) purple (b) blue (c) yellow (d) orange
28. 28.True or false: HTML adds space around boxes. (a) False (b) True
29. 29.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 390px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 80px wide (no margins).
30. 30.🎯 Which CSS selector matches this element?
    <span class="box" id="top">Hello</span> (a) .top (b) #box (c) #top (d) p
31. 31.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 180px;
      padding: 15px;
      border: 2px solid black;
      margin: 20px;
    }
32. 32.✍️ What is the selector in this CSS rule?
    body {
      padding: 8px;
      font-size: 20px;
    } (a) padding (b) 20px (c) .box (d) body
33. 33.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (min-width: 768px) {
      p {
        font-size: 26px;
      }
    }
34. 34.🎯 What kind of selector is #top? (a) an element selector (b) a class selector (c) an id selector
35. 35.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 30px;
      }
    }
36. 36.💪 Which justify-content value equal gaps, none at ends? (a) center (b) flex-end (c) flex-start (d) space-between
37. 37.🖌️ Which CSS property picks the font style? (a) background-color (b) color (c) font-family (d) font-size
38. 38.🌈 In #rrggbb, which colour do the first two digits give? (a) blue (b) green (c) red (d) black
39. 39.🌈 Which colour is rgb(255, 0, 255)? (a) yellow (b) bright green (c) magenta (d) red
40. 40.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 200px;
      padding: 5px;
      border: 1px solid black;
      margin: 15px;
    }

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