CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 27 · 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 tag helps phones show a page at the right size? (a) the br tag (b) the hr tag (c) the title tag (d) the viewport meta tag
2. 2.🎨 Which attribute adds CSS inside one tag? (a) src (b) href (c) alt (d) style
3. 3.🌈 Which hex code is red? (a) #00ff00 (b) #0000ff (c) #ff00ff (d) #ff0000
4. 4.✍️ What value is given to font-weight in this rule?
   #top {
     width: 300px;
     font-weight: bold;
     background-color: yellow;
   } (a) font-weight (b) 300px (c) 2px solid (d) bold
5. 5.🌈 In #0000fd the blue part is the hex number fd. What is it as a normal number?
6. 6.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 20px;
   }
   @media (min-width: 768px) {
     p {
       font-size: 28px;
     }
   }
7. 7.📱 The screen is 320px wide. Does the rule inside @media apply?
   p {
     font-size: 16px;
   }
   @media (max-width: 1024px) {
     p {
       font-size: 12px;
     }
   } (a) Yes (b) No
8. 8.🌈 Which colour is rgb(255, 0, 0)? (a) red (b) cyan (c) black (d) white
9. 9.📱 The screen is 375px wide. Does the rule inside @media apply?
   p {
     font-size: 24px;
   }
   @media (max-width: 480px) {
     p {
       font-size: 20px;
     }
   } (a) No (b) Yes
10. 10.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 240px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 40px wide (no margins).
11. 11.⚖️ What colour is the text of this element?
    <p class="big" id="top">Hi</p>
    CSS:
    p { color: black; }
    p { color: yellow; } (a) blue (b) white (c) black (d) yellow
12. 12.✍️ How many declarations (property: value pairs) are in this rule?
    li {
      text-align: center;
      border: 2px solid;
    }
13. 13.⚖️ What colour is the text of this element?
    <p class="red" id="top">Hi</p>
    CSS:
    .red { color: orange; }
    .red { color: yellow; } (a) yellow (b) blue (c) purple (d) orange
14. 14.🖌️ Which CSS property sets the letter colour? (a) text-align (b) background-color (c) color (d) font-weight
15. 15.💪 Which flexbox property lines boxes up across? (a) display: flex (b) gap (c) flex-direction (d) align-items
16. 16.True or false: .star is a class selector. (a) True (b) False
17. 17.✍️ What value is given to border in this rule?
    h2 {
      border: 2px solid;
      background-color: yellow;
    } (a) 300px (b) border (c) italic (d) 2px solid
18. 18.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 180px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 60px wide (no margins).
19. 19.✍️ Which property is set to 2px solid in this rule?
    h1 {
      border: 2px solid;
      width: 300px;
      margin: 10px;
    } (a) width (b) font-style (c) border (d) 2px solid
20. 20.What does justify-content: flex-start do? (a) packs boxes at the start (b) equal gaps, none at ends (c) packs boxes at the end (d) puts boxes in the middle
21. 21.💪 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 60px wide (no margins).
22. 22.🖌️ What colour is behind the letters?
    h1 {
      text-align: left;
      background-color: red;
      font-size: 28px;
      color: blue;
    } (a) yellow (b) red (c) blue
23. 23.📦 In the box model, which part is space inside the border? (a) border (b) padding (c) content (d) margin
24. 24.🧩 Which language adds space around boxes? (a) CSS (b) HTML (c) JavaScript
25. 25.What does justify-content: space-between 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
26. 26.📱 The screen is 375px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 14px;
      }
    } (a) Yes (b) No
27. 27.✍️ What is the selector in this CSS rule?
    p {
      padding: 8px;
      font-size: 20px;
      border: 2px solid;
      font-style: italic;
    } (a) padding (b) 20px (c) .note (d) p
28. 28.✍️ How many declarations (property: value pairs) are in this rule?
    h1 {
      text-align: center;
      font-weight: bold;
      border: 2px solid;
      background-color: yellow;
    }
29. 29.True or false: margin is space outside the border. (a) False (b) True
30. 30.📦 In the box model, which part is space outside the border? (a) padding (b) border (c) content (d) margin
31. 31.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 220px;
      padding: 10px;
      border: 1px solid black;
      margin: 15px;
    }
32. 32.💪 Which flexbox property turns on flexbox? (a) flex-direction (b) align-items (c) display: flex (d) gap
33. 33.✍️ What is the selector in this CSS rule?
    .note {
      font-size: 20px;
      text-align: center;
      width: 300px;
      padding: 8px;
    } (a) font-size (b) center (c) #top (d) .note
34. 34.🖌️ What colour are the letters?
    h1 {
      background-color: green;
      color: orange;
      font-size: 32px;
      text-align: right;
    } (a) green (b) blue (c) orange
35. 35.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 12px;
      }
    }
36. 36.🧩 Which language shows a pop-up message? (a) JavaScript (b) HTML (c) CSS
37. 37.True or false: the content is the text or picture. (a) True (b) False
38. 38.📱 What does a media query check? (a) the screen width (b) the page title (c) the battery level (d) the time of day
39. 39.⚖️ What colour is the text of this element?
    <h1 class="box" id="main">Hi</h1>
    CSS:
    h1 { color: black; }
    h1 { color: blue; } (a) black (b) orange (c) red (d) blue
40. 40.⚖️ What colour is the text of this element?
    <h1 class="note" id="top">Hi</h1>
    CSS:
    #top { color: blue; }
    #top { color: white; } (a) blue (b) black (c) white (d) red

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