CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 49 · 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 sign ends each CSS declaration? (a) : (b) , (c) ; (d) .
2. 2.🌈 Which colour is #ffffff? (a) white (b) yellow (c) black (d) cyan
3. 3.📱 The screen is 414px wide. Does the rule inside @media apply?
   p {
     font-size: 24px;
   }
   @media (min-width: 600px) {
     p {
       font-size: 28px;
     }
   } (a) Yes (b) No
4. 4.🎯 What kind of selector is #main? (a) a class selector (b) an element selector (c) an id selector
5. 5.📱 The screen is 540px wide. Does the rule inside @media apply?
   p {
     font-size: 12px;
   }
   @media (max-width: 768px) {
     p {
       font-size: 6px;
     }
   } (a) Yes (b) No
6. 6.✍️ What is the selector in this CSS rule?
   h1 {
     color: red;
     font-style: italic;
   } (a) h1 (b) color (c) italic (d) p
7. 7.💪 Which flexbox property sets space between boxes? (a) display: flex (b) gap (c) align-items (d) flex-direction
8. 8.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 16px;
   }
   @media (max-width: 768px) {
     p {
       font-size: 10px;
     }
   }
9. 9.📱 The screen is 1366px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 24px;
   }
   @media (max-width: 480px) {
     p {
       font-size: 18px;
     }
   }
10. 10.🖌️ How big is the text, in px?
    li {
      font-size: 36px;
      color: green;
      text-align: right;
      background-color: yellow;
    }
11. 11.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 10px;
      }
    }
12. 12.✍️ What is the selector in this CSS rule?
    .box {
      border: 2px solid;
      color: red;
      background-color: yellow;
    } (a) red (b) border (c) h2 (d) .box
13. 13.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 230px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 50px wide (no margins).
14. 14.What does justify-content: space-between 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
15. 15.🧩 Which language gives the page structure? (a) CSS (b) HTML (c) JavaScript
16. 16.⚖️ What colour is the text of this element?
    <h2 class="red" id="intro">Hi</h2>
    CSS:
    .red { color: black; }
    .red { color: green; } (a) green (b) yellow (c) white (d) black
17. 17.⚖️ Which selector is the weakest? (a) an element selector (b) an id selector (c) a class selector
18. 18.🖌️ Which CSS property colours behind the text? (a) font-weight (b) color (c) font-family (d) background-color
19. 19.🌈 Which colour is #ff0000? (a) red (b) white (c) blue (d) bright green
20. 20.🌈 In #rrggbb, which colour do the last two digits give? (a) green (b) white (c) red (d) blue
21. 21.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 100px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 40px wide (no margins).
22. 22.⚖️ What colour is the text of this element?
    <h1 class="big" id="main">Hi</h1>
    CSS:
    h1 { color: green; }
    h1 { color: black; } (a) red (b) yellow (c) black (d) green
23. 23.💪 Which flexbox property picks row or column? (a) flex-direction (b) justify-content (c) align-items (d) display: flex
24. 24.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 150px;
      padding: 5px;
      border: 4px solid black;
      margin: 5px;
    }
25. 25.🎯 Which CSS selector matches this element?
    <div class="box" id="main">Hello</div> (a) .main (b) .box (c) #box (d) span
26. 26.True or false: HTML puts a picture on a page. (a) True (b) False
27. 27.✍️ How does a CSS comment start? (a) # (b) <!-- (c) /* (d) //
28. 28.🌈 Which colour of light is strongest in rgb(123, 124, 179)? (a) blue (b) red (c) green
29. 29.📱 The screen is 700px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 6px;
      }
    } (a) Yes (b) No
30. 30.✍️ How many declarations (property: value pairs) are in this rule?
    .box {
      margin: 10px;
      width: 300px;
      font-size: 20px;
      font-weight: bold;
    }
31. 31.🎨 What does CSS stand for? (a) Computer Style Sheets (b) Creative Sheet System (c) Colourful Site Styles (d) Cascading Style Sheets
32. 32.⚖️ What colour is the text of this element?
    <h2 class="red" id="main">Hi</h2>
    CSS:
    #main { color: orange; }
    .red { color: green; }
    h2 { color: purple; } (a) orange (b) yellow (c) purple (d) green
33. 33.📱 The screen is 320px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 22px;
      }
    } (a) No (b) Yes
34. 34.What does justify-content: center 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
35. 35.True or false: CSS makes headings and lists. (a) True (b) False
36. 36.🌈 In #00de00 the green part is the hex number de. What is it as a normal number?
37. 37.📱 max-width: 600px applies when the screen is ___. (a) turned off (b) 600px or narrower (c) exactly 1000px (d) 600px or wider
38. 38.🌈 Which colour is rgb(0, 0, 0)? (a) cyan (b) yellow (c) black (d) blue
39. 39.🌈 Which colour of light is strongest in rgb(203, 106, 8)? (a) blue (b) red (c) green
40. 40.✍️ Which property is set to bold in this rule?
    li {
      font-style: italic;
      font-weight: bold;
    } (a) font-weight (b) border (c) width (d) bold

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