CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 628 · 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 selector is the strongest? (a) a class selector (b) an id selector (c) an element selector
2. 2.📦 In the box model, which part is space inside the border? (a) border (b) padding (c) margin (d) content
3. 3.✍️ Which property is set to 8px in this rule?
   h2 {
     font-weight: bold;
     padding: 8px;
   } (a) 8px (b) padding (c) font-weight (d) border
4. 4.🌈 In #rrggbb, which colour do the first two digits give? (a) black (b) red (c) blue (d) green
5. 5.What does font-weight do? (a) picks the font style (b) makes the text bold (c) sets the letter colour (d) centres a heading
6. 6.✍️ What is the selector in this CSS rule?
   .box {
     padding: 8px;
     background-color: yellow;
     text-align: center;
     color: red;
   } (a) yellow (b) .box (c) padding (d) h2
7. 7.🌈 In #rrggbb, which colour do the last two digits give? (a) green (b) red (c) white (d) blue
8. 8.What does justify-content: space-between do? (a) puts boxes in the middle (b) packs boxes at the end (c) packs boxes at the start (d) equal gaps, none at ends
9. 9.⚖️ What colour is the text of this element?
   <h1 class="star" id="end">Hi</h1>
   CSS:
   h1 { color: white; }
   h1 { color: orange; } (a) orange (b) red (c) white (d) blue
10. 10.✍️ In color: blue; which part is the property? (a) ; (b) blue (c) : (d) color
11. 11.🌈 Which colour is #ff00ff? (a) bright green (b) black (c) magenta (d) white
12. 12.✍️ Which property is set to 20px in this rule?
    li {
      font-size: 20px;
      font-style: italic;
    } (a) font-size (b) background-color (c) text-align (d) 20px
13. 13.📱 The screen is 414px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 22px;
      }
    } (a) Yes (b) No
14. 14.What does background-color do? (a) centres a heading (b) colours behind the text (c) makes letters bigger (d) makes the text bold
15. 15.🔍 Which is the odd one out? (a) makes headings and lists (b) puts a picture on a page (c) shows a pop-up message (d) gives the page structure
16. 16.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 20px;
      }
    }
17. 17.💪 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 80px wide (no margins).
18. 18.📦 In the box model, which part is the gap round content? (a) content (b) padding (c) border (d) margin
19. 19.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 100px;
      padding: 20px;
      border: 2px solid black;
      margin: 5px;
    }
20. 20.True or false: margin is space outside the border. (a) True (b) False
21. 21.🌈 Which colour is #000000? (a) black (b) yellow (c) red (d) bright green
22. 22.True or false: HTML makes a form box. (a) True (b) False
23. 23.🖌️ What colour is behind the letters?
    li {
      background-color: orange;
      text-align: right;
      font-size: 20px;
      color: yellow;
    } (a) blue (b) yellow (c) orange
24. 24.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 90px;
      padding: 25px;
      border: 1px solid black;
      margin: 0px;
    }
25. 25.🎯 Which sign starts an id selector? (a) & (b) . (c) @ (d) #
26. 26.⚖️ What colour is the text of this element?
    <h2 class="big" id="main">Hi</h2>
    CSS:
    .big { color: black; }
    h2 { color: purple; }
    #main { color: orange; } (a) yellow (b) black (c) orange (d) purple
27. 27.✍️ How many declarations (property: value pairs) are in this rule?
    p {
      background-color: yellow;
      width: 300px;
    }
28. 28.✍️ In color: blue; which part is the value? (a) : (b) ; (c) blue (d) color
29. 29.True or false: #logo is a class selector. (a) False (b) True
30. 30.📱 The screen is 700px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (min-width: 768px) {
      p {
        font-size: 14px;
      }
    } (a) Yes (b) No
31. 31.🎨 Which tag holds CSS inside the head? (a) <body> (b) <style> (c) <script> (d) <css>
32. 32.💪 Which flexbox property sets space between boxes? (a) justify-content (b) gap (c) align-items (d) flex-direction
33. 33.💪 Which justify-content value equal gaps, none at ends? (a) flex-end (b) space-between (c) center (d) flex-start
34. 34.📱 The screen is 320px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (min-width: 768px) {
      p {
        font-size: 20px;
      }
    } (a) Yes (b) No
35. 35.🖌️ Which CSS property makes the text bold? (a) font-weight (b) font-family (c) text-align (d) color
36. 36.🖌️ Which CSS property picks the font style? (a) color (b) background-color (c) font-weight (d) font-family
37. 37.What does font-size do? (a) makes the text bold (b) centres a heading (c) picks the font style (d) makes letters bigger
38. 38.What does justify-content: center do? (a) packs boxes at the end (b) packs boxes at the start (c) puts boxes in the middle (d) equal gaps, none at ends
39. 39.🎯 Which sign starts a class selector? (a) . (b) # (c) @ (d) &
40. 40.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 150px;
      padding: 15px;
      border: 1px solid black;
      margin: 20px;
    }

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