CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 979 · 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 much empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 240px;
     justify-content: flex-start;
   }
   Inside are 4 boxes, each 50px wide (no margins).
2. 2.🧩 Which language puts a picture on a page? (a) HTML (b) CSS (c) JavaScript
3. 3.⚖️ What colour is the text of this element?
   <h2 class="red" id="logo">Hi</h2>
   CSS:
   #logo { color: green; }
   #logo { color: red; } (a) yellow (b) purple (c) green (d) red
4. 4.💪 How much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 320px;
     justify-content: center;
   }
   Inside are 4 boxes, each 50px wide (no margins).
5. 5.✍️ Which property is set to red in this rule?
   p {
     font-size: 20px;
     text-align: center;
     color: red;
   } (a) font-size (b) color (c) text-align (d) red
6. 6.💪 Which justify-content value packs boxes at the end? (a) flex-start (b) flex-end (c) space-between (d) center
7. 7.True or false: HTML rounds box corners. (a) False (b) True
8. 8.✍️ How does a CSS comment start? (a) // (b) <!-- (c) # (d) /*
9. 9.✍️ What is the selector in this CSS rule?
   h2 {
     font-weight: bold;
     font-size: 20px;
   } (a) font-weight (b) h2 (c) h1 (d) 20px
10. 10.True or false: the content is space outside the border. (a) True (b) False
11. 11.💪 Which justify-content value packs boxes at the start? (a) flex-end (b) flex-start (c) center (d) space-between
12. 12.Which of these does JavaScript do? (a) changes the text size (b) rounds box corners (c) reacts to a button click (d) makes a link
13. 13.🎯 Can many elements share the same class? (a) Yes (b) No
14. 14.⚖️ What colour is the text of this element?
    <h2 class="star" id="end">Hi</h2>
    CSS:
    h2 { color: blue; }
    #end { color: purple; } (a) black (b) blue (c) purple (d) yellow
15. 15.✍️ What value is given to font-size in this rule?
    h1 {
      text-align: center;
      width: 300px;
      padding: 8px;
      font-size: 20px;
    } (a) center (b) font-size (c) 20px (d) yellow
16. 16.What does justify-content: center do? (a) puts boxes in the middle (b) equal gaps, none at ends (c) packs boxes at the start (d) packs boxes at the end
17. 17.🌈 In #rrggbb, which colour do the first two digits give? (a) blue (b) red (c) green (d) black
18. 18.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 440px;
      justify-content: center;
    }
    Inside are 4 boxes, each 100px wide (no margins).
19. 19.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the shorter one (b) the later one (c) the first one (d) neither
20. 20.🎯 What kind of selector is p? (a) an element selector (b) an id selector (c) a class selector
21. 21.⚖️ Which selector is the weakest? (a) an element selector (b) an id selector (c) a class selector
22. 22.🎯 What kind of selector is #top? (a) an element selector (b) an id selector (c) a class selector
23. 23.🎯 What kind of selector is #end? (a) an id selector (b) a class selector (c) an element selector
24. 24.🎨 Which tag holds CSS inside the head? (a) <css> (b) <script> (c) <style> (d) <body>
25. 25.🖌️ What colour are the letters?
    h1 {
      text-align: right;
      font-size: 28px;
      color: green;
      background-color: purple;
    } (a) green (b) purple (c) blue
26. 26.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 32px;
      }
    }
27. 27.✍️ What value is given to background-color in this rule?
    h1 {
      background-color: yellow;
      border: 2px solid;
    } (a) background-color (b) 10px (c) 8px (d) yellow
28. 28.✍️ How many declarations (property: value pairs) are in this rule?
    h1 {
      padding: 8px;
    }
29. 29.📦 In the box model, which part is the text or picture? (a) margin (b) border (c) padding (d) content
30. 30.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 100px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 40px wide (no margins).
31. 31.What does background-color do? (a) makes letters bigger (b) centres a heading (c) colours behind the text (d) sets the letter colour
32. 32.🖌️ Which CSS property colours behind the text? (a) font-weight (b) font-family (c) color (d) background-color
33. 33.🖌️ Where does the text sit on its line?
    p {
      background-color: yellow;
      font-size: 28px;
      color: red;
      text-align: left;
    } (a) on the left (b) on the right (c) in the middle
34. 34.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 180px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 60px wide (no margins).
35. 35.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 120px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 50px wide (no margins).
36. 36.✍️ Which sign goes between a property and its value? (a) = (b) - (c) ; (d) :
37. 37.🎯 What kind of selector is #logo? (a) an element selector (b) a class selector (c) an id selector
38. 38.True or false: CSS changes the page live. (a) False (b) True
39. 39.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 22px;
      }
    }
40. 40.✍️ What is the selector in this CSS rule?
    h2 {
      border: 2px solid;
      font-style: italic;
      margin: 10px;
    } (a) h2 (b) border (c) italic (d) h1

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