CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 943 · 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?
   <h1 class="red" id="hero">Hi</h1>
   CSS:
   #hero { color: red; }
   #hero { color: white; } (a) white (b) blue (c) purple (d) red
2. 2.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 24px;
   }
   @media (max-width: 480px) {
     p {
       font-size: 20px;
     }
   }
3. 3.🔍 Which is the odd one out? (a) counts down a timer (b) shows a pop-up message (c) sets colours and fonts (d) checks a quiz answer
4. 4.📱 The screen is 820px wide. Does the rule inside @media apply?
   p {
     font-size: 20px;
   }
   @media (min-width: 600px) {
     p {
       font-size: 22px;
     }
   } (a) No (b) Yes
5. 5.📱 min-width: 800px applies when the screen is ___. (a) turned off (b) 800px or wider (c) exactly 100px (d) 800px or narrower
6. 6.⚖️ Which selector is the strongest? (a) an element selector (b) a class selector (c) an id selector
7. 7.True or false: CSS counts down a timer. (a) False (b) True
8. 8.🌈 Which colour is rgb(255, 255, 0)? (a) yellow (b) cyan (c) bright green (d) red
9. 9.📱 Which tag helps phones show a page at the right size? (a) the hr tag (b) the title tag (c) the br tag (d) the viewport meta tag
10. 10.⚖️ What colour is the text of this element?
    <p class="big" id="intro">Hi</p>
    CSS:
    .big { color: red; }
    #intro { color: green; }
    p { color: blue; } (a) purple (b) green (c) blue (d) red
11. 11.⚖️ What colour is the text of this element?
    <h2 class="star" id="hero">Hi</h2>
    CSS:
    #hero { color: blue; }
    #hero { color: red; } (a) red (b) yellow (c) blue (d) white
12. 12.🖌️ Which CSS property centres a heading? (a) color (b) font-size (c) font-weight (d) text-align
13. 13.✍️ Which property is set to 300px in this rule?
    h2 {
      width: 300px;
      font-size: 20px;
    } (a) font-style (b) color (c) width (d) 300px
14. 14.🌈 Which hex code is red? (a) #ff0000 (b) #0000ff (c) #00ffff (d) #00ff00
15. 15.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 40px;
      padding: 25px;
      border: 1px solid black;
      margin: 0px;
    }
16. 16.🖌️ What colour are the letters?
    h1 {
      text-align: right;
      background-color: white;
      font-size: 32px;
      color: purple;
    } (a) yellow (b) white (c) purple
17. 17.🌈 Which colour is rgb(0, 255, 0)? (a) white (b) red (c) blue (d) bright green
18. 18.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 170px;
      padding: 15px;
      border: 2px solid black;
      margin: 15px;
    }
19. 19.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 240px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 100px wide (no margins).
20. 20.🌈 Which hex code is black? (a) #00ff00 (b) #ff0000 (c) #000000 (d) #ffffff
21. 21.⚖️ What colour is the text of this element?
    <p class="note" id="intro">Hi</p>
    CSS:
    #intro { color: black; }
    #intro { color: yellow; } (a) purple (b) black (c) yellow (d) green
22. 22.📱 The screen is 1366px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 14px;
      }
    }
23. 23.🌈 Which colour is rgb(255, 0, 255)? (a) red (b) magenta (c) white (d) bright green
24. 24.💪 Which flexbox property spaces boxes along a row? (a) display: flex (b) gap (c) align-items (d) justify-content
25. 25.🎯 Can many elements share the same class? (a) Yes (b) No
26. 26.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 300px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 80px wide (no margins).
27. 27.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 150px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 60px wide (no margins).
28. 28.🖌️ Which CSS property makes letters bigger? (a) font-size (b) text-align (c) color (d) font-family
29. 29.🌈 Which hex code is blue? (a) #ffff00 (b) #ffffff (c) #0000ff (d) #000000
30. 30.🌈 Which hex code is yellow? (a) #ffff00 (b) #ff0000 (c) #ff00ff (d) #0000ff
31. 31.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 26px;
      }
    }
32. 32.🖌️ Where does the text sit on its line?
    h2 {
      background-color: black;
      font-size: 12px;
      color: red;
      text-align: center;
    } (a) on the right (b) on the left (c) in the middle
33. 33.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 170px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 40px wide (no margins).
34. 34.🎯 What kind of selector is #top? (a) an id selector (b) a class selector (c) an element selector
35. 35.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 14px;
      }
    }
36. 36.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 10px;
      }
    }
37. 37.True or false: JavaScript changes the page live. (a) True (b) False
38. 38.🎯 What kind of selector is p? (a) an id selector (b) an element selector (c) a class selector
39. 39.True or false: HTML checks a quiz answer. (a) True (b) False
40. 40.🌈 Which colour is #00ff00? (a) red (b) magenta (c) bright green (d) white

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