CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 927 · 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.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 2 (b) 4 (c) 6 (d) 3
2. 2.Which of these does JavaScript do? (a) makes a form box (b) adds space around boxes (c) checks a quiz answer (d) changes the text size
3. 3.📱 The screen is 375px wide. Does the rule inside @media apply?
   p {
     font-size: 20px;
   }
   @media (max-width: 480px) {
     p {
       font-size: 18px;
     }
   } (a) No (b) Yes
4. 4.🎨 Which tag connects an outside CSS file? (a) <css> (b) <img> (c) <link> (d) <a>
5. 5.🖌️ Where does the text sit on its line?
   h2 {
     background-color: black;
     text-align: right;
     font-size: 20px;
     color: orange;
   } (a) in the middle (b) on the right (c) on the left
6. 6.💪 How wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 90px;
     justify-content: space-between;
   }
   Inside are 2 boxes, each 40px wide (no margins).
7. 7.✍️ How many declarations (property: value pairs) are in this rule?
   body {
     font-weight: bold;
     width: 300px;
     padding: 8px;
   }
8. 8.🎯 Which element does the selector #intro style? (a) <div class="intro"> (b) <div id="main"> (c) <span class="big"> (d) <div id="intro">
9. 9.True or false: JavaScript rounds box corners. (a) True (b) False
10. 10.🖌️ Where does the text sit on its line?
    p {
      background-color: yellow;
      text-align: center;
      font-size: 24px;
      color: green;
    } (a) on the left (b) on the right (c) in the middle
11. 11.⚖️ What colour is the text of this element?
    <p class="big" id="main">Hi</p>
    CSS:
    #main { color: orange; }
    #main { color: blue; } (a) green (b) red (c) blue (d) orange
12. 12.✍️ What value is given to text-align in this rule?
    h2 {
      background-color: yellow;
      color: red;
      text-align: center;
      padding: 8px;
    } (a) yellow (b) 10px (c) text-align (d) center
13. 13.🖌️ Where does the text sit on its line?
    h1 {
      background-color: orange;
      font-size: 32px;
      color: yellow;
      text-align: right;
    } (a) on the left (b) on the right (c) in the middle
14. 14.💪 Which flexbox property sets space between boxes? (a) gap (b) align-items (c) display: flex (d) justify-content
15. 15.What does font-weight do? (a) centres a heading (b) sets the letter colour (c) makes letters bigger (d) makes the text bold
16. 16.🌈 In #000091 the blue part is the hex number 91. What is it as a normal number?
17. 17.✍️ What value is given to background-color in this rule?
    body {
      padding: 8px;
      text-align: center;
      border: 2px solid;
      background-color: yellow;
    } (a) 8px (b) background-color (c) 10px (d) yellow
18. 18.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 170px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 60px wide (no margins).
19. 19.🌈 Which colour of light is strongest in rgb(108, 156, 137)? (a) green (b) red (c) blue
20. 20.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 50px;
      padding: 10px;
      border: 4px solid black;
      margin: 15px;
    }
21. 21.✍️ What is the selector in this CSS rule?
    h2 {
      color: red;
      text-align: center;
      margin: 10px;
    } (a) h2 (b) center (c) color (d) h1
22. 22.🧩 Which language adds space around boxes? (a) HTML (b) JavaScript (c) CSS
23. 23.📱 The screen is 1366px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (min-width: 600px) {
      p {
        font-size: 18px;
      }
    } (a) No (b) Yes
24. 24.✍️ What is the selector in this CSS rule?
    p {
      background-color: yellow;
      font-weight: bold;
    } (a) p (b) bold (c) .note (d) background-color
25. 25.✍️ Which property is set to 8px in this rule?
    h2 {
      margin: 10px;
      background-color: yellow;
      padding: 8px;
    } (a) padding (b) 8px (c) border (d) font-weight
26. 26.⚖️ What colour is the text of this element?
    <h1 class="star" id="main">Hi</h1>
    CSS:
    h1 { color: white; }
    #main { color: yellow; }
    .star { color: green; } (a) yellow (b) white (c) blue (d) green
27. 27.✍️ Which property is set to 300px in this rule?
    p {
      color: red;
      font-size: 20px;
      width: 300px;
    } (a) 300px (b) font-style (c) width (d) color
28. 28.What does justify-content: flex-start do? (a) packs boxes at the start (b) puts boxes in the middle (c) equal gaps, none at ends (d) packs boxes at the end
29. 29.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 16px;
      }
    }
30. 30.🌈 Which colour is rgb(0, 255, 0)? (a) red (b) cyan (c) bright green (d) yellow
31. 31.⚖️ What colour is the text of this element?
    <p class="note" id="main">Hi</p>
    CSS:
    .note { color: black; }
    #main { color: yellow; } (a) red (b) yellow (c) orange (d) black
32. 32.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the later one (b) the shorter one (c) the first one (d) neither
33. 33.🎯 Which CSS selector matches this element?
    <h2 class="big" id="top">Hello</h2> (a) li (b) #big (c) .big (d) #intro
34. 34.📱 The screen is 1366px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 14px;
      }
    }
35. 35.✍️ CSS declarations go inside which brackets? (a) < > (b) ( ) (c) [ ] (d) { }
36. 36.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 22px;
      }
    }
37. 37.🎯 Which element does the selector h1 style? (a) <li class="menu"> (b) <h1 class="menu"> (c) <div id="end"> (d) <h2>
38. 38.✍️ Which sign goes between a property and its value? (a) - (b) ; (c) = (d) :
39. 39.⚖️ What colour is the text of this element?
    <h1 class="note" id="top">Hi</h1>
    CSS:
    #top { color: purple; }
    #top { color: black; } (a) red (b) blue (c) purple (d) black
40. 40.💪 Which flexbox property turns on flexbox? (a) display: flex (b) align-items (c) gap (d) justify-content

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