CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 107 · 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 of these is the border? (a) space inside the border (b) space outside the border (c) the text or picture (d) the line round the box
2. 2.⚖️ What colour is the text of this element?
   <h2 class="big" id="intro">Hi</h2>
   CSS:
   .big { color: orange; }
   .big { color: white; } (a) green (b) white (c) blue (d) orange
3. 3.💪 Which justify-content value packs boxes at the start? (a) space-between (b) flex-end (c) center (d) flex-start
4. 4.🌈 Hex digits go 0 to 9, then A to which letter? (a) J (b) G (c) Z (d) F
5. 5.🖌️ What colour is behind the letters?
   p {
     color: orange;
     text-align: center;
     font-size: 32px;
     background-color: blue;
   } (a) orange (b) blue (c) yellow
6. 6.✍️ What is the selector in this CSS rule?
   h2 {
     border: 2px solid;
     font-style: italic;
     margin: 10px;
   } (a) h1 (b) h2 (c) border (d) italic
7. 7.📱 The screen is 1100px wide. Does the rule inside @media apply?
   p {
     font-size: 12px;
   }
   @media (min-width: 600px) {
     p {
       font-size: 16px;
     }
   } (a) Yes (b) No
8. 8.📦 How much space across (px) does this box take in all, margin included?
   .box {
     width: 100px;
     padding: 15px;
     border: 4px solid black;
     margin: 0px;
   }
9. 9.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 12px;
   }
   @media (min-width: 600px) {
     p {
       font-size: 14px;
     }
   }
10. 10.⚖️ What colour is the text of this element?
    <h2 class="menu" id="logo">Hi</h2>
    CSS:
    .menu { color: orange; }
    #logo { color: red; } (a) purple (b) blue (c) red (d) orange
11. 11.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 24px;
      }
    }
12. 12.🎯 Which sign starts an id selector? (a) @ (b) # (c) & (d) .
13. 13.🌈 Which hex code is black? (a) #00ff00 (b) #000000 (c) #00ffff (d) #ffff00
14. 14.⚖️ What colour is the text of this element?
    <h1 class="note" id="top">Hi</h1>
    CSS:
    h1 { color: purple; }
    .note { color: white; }
    #top { color: yellow; } (a) yellow (b) purple (c) green (d) white
15. 15.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 12px;
      }
    }
16. 16.🖌️ Which CSS property sets the letter colour? (a) color (b) font-weight (c) background-color (d) font-family
17. 17.✍️ How many declarations (property: value pairs) are in this rule?
    .note {
      border: 2px solid;
      text-align: center;
      font-style: italic;
    }
18. 18.✍️ In color: blue; which part is the property? (a) blue (b) : (c) color (d) ;
19. 19.✍️ How many declarations (property: value pairs) are in this rule?
    h2 {
      font-style: italic;
      color: red;
      font-size: 20px;
    }
20. 20.🧩 Which language makes headings and lists? (a) CSS (b) HTML (c) JavaScript
21. 21.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 220px;
      padding: 10px;
      border: 4px solid black;
      margin: 0px;
    }
22. 22.✍️ Which property is set to 300px in this rule?
    .note {
      width: 300px;
      color: red;
    } (a) font-style (b) 300px (c) color (d) width
23. 23.📱 max-width: 600px applies when the screen is ___. (a) turned off (b) exactly 1000px (c) 600px or wider (d) 600px or narrower
24. 24.💪 Which flexbox property turns on flexbox? (a) flex-direction (b) gap (c) justify-content (d) display: flex
25. 25.What does justify-content: flex-end do? (a) packs boxes at the start (b) packs boxes at the end (c) equal gaps, none at ends (d) puts boxes in the middle
26. 26.What does background-color do? (a) makes the text bold (b) sets the letter colour (c) colours behind the text (d) makes letters bigger
27. 27.✍️ What is the selector in this CSS rule?
    h1 {
      background-color: yellow;
      color: red;
    } (a) red (b) background-color (c) p (d) h1
28. 28.🎯 Which element does the selector h2 style? (a) <h2 class="star"> (b) <li> (c) <div class="star"> (d) <span id="intro">
29. 29.🎯 Which sign starts a class selector? (a) # (b) . (c) @ (d) &
30. 30.🔍 Which is the odd one out? (a) shows a pop-up message (b) counts down a timer (c) checks a quiz answer (d) adds space around boxes
31. 31.📱 The screen is 1366px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (min-width: 768px) {
      p {
        font-size: 22px;
      }
    }
32. 32.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 140px;
      padding: 20px;
      border: 1px solid black;
      margin: 20px;
    }
33. 33.🌈 Which hex code is magenta? (a) #00ff00 (b) #0000ff (c) #ffff00 (d) #ff00ff
34. 34.True or false: #end is an id selector. (a) False (b) True
35. 35.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the shorter one (b) the later one (c) neither (d) the first one
36. 36.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 420px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 100px wide (no margins).
37. 37.🌈 Which hex code is white? (a) #000000 (b) #ff00ff (c) #00ffff (d) #ffffff
38. 38.🌈 In #rrggbb, which colour do the first two digits give? (a) red (b) blue (c) black (d) green
39. 39.🧩 Which language adds space around boxes? (a) JavaScript (b) CSS (c) HTML
40. 40.🎯 Can many elements share the same class? (a) Yes (b) No

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