CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 35 · 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.Which of these does HTML do? (a) checks a quiz answer (b) gives the page structure (c) adds space around boxes (d) changes the text size
2. 2.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 12px;
   }
   @media (max-width: 480px) {
     p {
       font-size: 8px;
     }
   }
3. 3.✍️ How many declarations (property: value pairs) are in this rule?
   body {
     padding: 8px;
     color: red;
     background-color: yellow;
   }
4. 4.📱 What does a media query check? (a) the battery level (b) the page title (c) the time of day (d) the screen width
5. 5.💪 Which flexbox property turns on flexbox? (a) display: flex (b) flex-direction (c) justify-content (d) align-items
6. 6.📱 The screen is 1100px wide. Does the rule inside @media apply?
   p {
     font-size: 20px;
   }
   @media (max-width: 1024px) {
     p {
       font-size: 16px;
     }
   } (a) Yes (b) No
7. 7.🎯 Which element does the selector #end style? (a) <li id="end"> (b) <li class="end"> (c) <li id="hero"> (d) <div class="star">
8. 8.💪 Which justify-content value puts boxes in the middle? (a) flex-start (b) flex-end (c) center (d) space-between
9. 9.✍️ In color: blue; which part is the value? (a) : (b) ; (c) color (d) blue
10. 10.⚖️ What colour is the text of this element?
    <h2 class="star" id="logo">Hi</h2>
    CSS:
    h2 { color: purple; }
    .star { color: orange; }
    #logo { color: blue; } (a) blue (b) yellow (c) purple (d) orange
11. 11.🌈 In #ce0000 the red part is the hex number ce. What is it as a normal number?
12. 12.What does justify-content: flex-start do? (a) packs boxes at the end (b) equal gaps, none at ends (c) puts boxes in the middle (d) packs boxes at the start
13. 13.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 20px;
      }
    }
14. 14.⚖️ Which selector is the weakest? (a) an id selector (b) a class selector (c) an element selector
15. 15.🎯 What kind of selector is body? (a) an element selector (b) an id selector (c) a class selector
16. 16.True or false: margin is the line round the box. (a) False (b) True
17. 17.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 120px;
      padding: 20px;
      border: 4px solid black;
      margin: 20px;
    }
18. 18.⚖️ Two rules with the same selector set a colour. Which one wins? (a) neither (b) the shorter one (c) the later one (d) the first one
19. 19.⚖️ What colour is the text of this element?
    <h1 class="big" id="logo">Hi</h1>
    CSS:
    h1 { color: blue; }
    h1 { color: green; } (a) blue (b) orange (c) purple (d) green
20. 20.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (min-width: 600px) {
      p {
        font-size: 22px;
      }
    }
21. 21.🎯 What kind of selector is li? (a) an element selector (b) an id selector (c) a class selector
22. 22.💪 Which flexbox property picks row or column? (a) align-items (b) gap (c) display: flex (d) flex-direction
23. 23.🌈 In #rrggbb, which colour do the first two digits give? (a) black (b) blue (c) green (d) red
24. 24.Which of these does CSS do? (a) makes a link (b) reacts to a button click (c) makes headings and lists (d) lays out the page
25. 25.💪 Which flexbox property lines boxes up across? (a) justify-content (b) gap (c) flex-direction (d) align-items
26. 26.📱 The screen is 700px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 6px;
      }
    } (a) Yes (b) No
27. 27.✍️ How many declarations (property: value pairs) are in this rule?
    h2 {
      text-align: center;
      font-size: 20px;
      padding: 8px;
      font-weight: bold;
    }
28. 28.💪 Which justify-content value packs boxes at the start? (a) flex-end (b) flex-start (c) space-between (d) center
29. 29.🖌️ Which CSS property makes letters bigger? (a) font-family (b) color (c) font-size (d) background-color
30. 30.✍️ CSS declarations go inside which brackets? (a) { } (b) ( ) (c) < > (d) [ ]
31. 31.📱 The screen is 320px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 10px;
      }
    } (a) No (b) Yes
32. 32.💪 Which justify-content value packs boxes at the end? (a) flex-start (b) space-between (c) flex-end (d) center
33. 33.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 220px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 50px wide (no margins).
34. 34.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 250px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 50px wide (no margins).
35. 35.True or false: HTML gives the page structure. (a) True (b) False
36. 36.📱 The screen is 1366px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 18px;
      }
    }
37. 37.True or false: HTML makes a form box. (a) True (b) False
38. 38.⚖️ Which selector is the strongest? (a) an element selector (b) a class selector (c) an id selector
39. 39.📱 The screen is 820px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 26px;
      }
    } (a) Yes (b) No
40. 40.True or false: #logo is an element selector. (a) False (b) True

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