CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 127 · 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.📦 In the box model, which part is space inside the border? (a) border (b) padding (c) content (d) margin
2. 2.🌈 Which colour is #ffffff? (a) bright green (b) yellow (c) magenta (d) white
3. 3.🎯 Which CSS selector matches this element?
   <h2 class="big" id="logo">Hello</h2> (a) .big (b) #end (c) .red (d) .logo
4. 4.🔍 Which is the odd one out? (a) lays out the page (b) changes the text size (c) makes a link (d) rounds box corners
5. 5.True or false: CSS sets colours and fonts. (a) True (b) False
6. 6.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 4 (b) 2 (c) 3 (d) 6
7. 7.💪 Which justify-content value packs boxes at the start? (a) flex-end (b) space-between (c) flex-start (d) center
8. 8.What does font-weight do? (a) picks the font style (b) makes the text bold (c) makes letters bigger (d) centres a heading
9. 9.True or false: #top is an id selector. (a) False (b) True
10. 10.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 60px;
      padding: 25px;
      border: 2px solid black;
      margin: 20px;
    }
11. 11.🖌️ What colour is behind the letters?
    h1 {
      font-size: 20px;
      text-align: center;
      background-color: red;
      color: orange;
    } (a) red (b) orange (c) purple
12. 12.⚖️ Which selector is the strongest? (a) an element selector (b) a class selector (c) an id selector
13. 13.🌈 Which colour of light is strongest in rgb(51, 184, 78)? (a) blue (b) green (c) red
14. 14.💪 Which flexbox property sets space between boxes? (a) gap (b) align-items (c) flex-direction (d) display: flex
15. 15.What does color do? (a) makes letters bigger (b) sets the letter colour (c) picks the font style (d) makes the text bold
16. 16.🌈 Which colour is #ff00ff? (a) yellow (b) blue (c) magenta (d) cyan
17. 17.Which of these does CSS do? (a) counts down a timer (b) checks a quiz answer (c) makes headings and lists (d) rounds box corners
18. 18.🖌️ What colour are the letters?
    li {
      background-color: yellow;
      color: blue;
      text-align: right;
      font-size: 32px;
    } (a) blue (b) red (c) yellow
19. 19.📱 The screen is 540px wide. Does the rule inside @media apply?
    p {
      font-size: 20px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 18px;
      }
    } (a) Yes (b) No
20. 20.✍️ What is the selector in this CSS rule?
    li {
      text-align: center;
      font-weight: bold;
      padding: 8px;
    } (a) body (b) text-align (c) bold (d) li
21. 21.✍️ Which property is set to yellow in this rule?
    #top {
      background-color: yellow;
      width: 300px;
      font-size: 20px;
      margin: 10px;
    } (a) margin (b) yellow (c) background-color (d) padding
22. 22.🖌️ Which CSS property picks the font style? (a) color (b) font-family (c) font-weight (d) text-align
23. 23.Which of these does CSS do? (a) puts a picture on a page (b) shows a pop-up message (c) checks a quiz answer (d) changes the text size
24. 24.🌈 Which colour is #00ffff? (a) blue (b) red (c) white (d) cyan
25. 25.📱 The screen is 375px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 14px;
      }
    } (a) Yes (b) No
26. 26.💪 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 60px wide (no margins).
27. 27.True or false: #hero is an id selector. (a) False (b) True
28. 28.✍️ What value is given to font-style in this rule?
    h1 {
      font-style: italic;
      font-size: 20px;
    } (a) font-style (b) red (c) 20px (d) italic
29. 29.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 22px;
      }
    }
30. 30.🖌️ How big is the text, in px?
    h1 {
      color: yellow;
      font-size: 28px;
      background-color: white;
      text-align: left;
    }
31. 31.💪 Which flexbox property picks row or column? (a) display: flex (b) justify-content (c) flex-direction (d) align-items
32. 32.🎨 What does CSS stand for? (a) Cascading Style Sheets (b) Creative Sheet System (c) Colourful Site Styles (d) Computer Style Sheets
33. 33.🎯 What kind of selector is li? (a) a class selector (b) an element selector (c) an id selector
34. 34.🖌️ What colour are the letters?
    h2 {
      font-size: 20px;
      text-align: right;
      color: red;
      background-color: purple;
    } (a) red (b) orange (c) purple
35. 35.✍️ What is the selector in this CSS rule?
    .note {
      padding: 8px;
      width: 300px;
      font-size: 20px;
    } (a) 300px (b) #top (c) padding (d) .note
36. 36.💪 Which justify-content value equal gaps, none at ends? (a) flex-end (b) flex-start (c) center (d) space-between
37. 37.🎯 Which CSS selector matches this element?
    <span class="big" id="top">Hello</span> (a) .top (b) #big (c) .big (d) #intro
38. 38.✍️ How does a CSS comment start? (a) # (b) /* (c) // (d) <!--
39. 39.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 140px;
      padding: 25px;
      border: 1px solid black;
      margin: 0px;
    }
40. 40.📱 The screen is 540px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 32px;
      }
    } (a) Yes (b) No

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