CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 274 · 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.🖌️ What colour are the letters?
   h2 {
     background-color: yellow;
     font-size: 28px;
     color: black;
     text-align: center;
   } (a) yellow (b) orange (c) black
2. 2.🎯 Which CSS selector matches this element?
   <h2 class="big" id="top">Hello</h2> (a) .red (b) h2 (c) #intro (d) #big
3. 3.🖌️ What colour is behind the letters?
   li {
     background-color: black;
     text-align: center;
     color: green;
     font-size: 20px;
   } (a) green (b) black (c) purple
4. 4.⚖️ What colour is the text of this element?
   <h1 class="menu" id="main">Hi</h1>
   CSS:
   .menu { color: green; }
   #main { color: white; }
   h1 { color: orange; } (a) black (b) green (c) white (d) orange
5. 5.💪 How much empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 230px;
     justify-content: flex-start;
   }
   Inside are 2 boxes, each 100px wide (no margins).
6. 6.🎯 Which CSS selector matches this element?
   <h2 class="box" id="top">Hello</h2> (a) #intro (b) li (c) h2 (d) .star
7. 7.📱 The screen is 540px wide. Does the rule inside @media apply?
   p {
     font-size: 24px;
   }
   @media (max-width: 600px) {
     p {
       font-size: 22px;
     }
   } (a) No (b) Yes
8. 8.📱 The screen is 414px wide. Does the rule inside @media apply?
   p {
     font-size: 24px;
   }
   @media (max-width: 768px) {
     p {
       font-size: 20px;
     }
   } (a) Yes (b) No
9. 9.🎨 Which attribute adds CSS inside one tag? (a) href (b) alt (c) style (d) src
10. 10.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 60px;
      padding: 15px;
      border: 2px solid black;
      margin: 20px;
    }
11. 11.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 24px;
      }
    }
12. 12.Which of these is the content? (a) space inside the border (b) the gap to other boxes (c) the gap round content (d) the text or picture
13. 13.🔍 Which is the odd one out? (a) rounds box corners (b) sets colours and fonts (c) adds space around boxes (d) changes the page live
14. 14.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 290px;
      padding: 15px;
      border: 1px solid black;
      margin: 20px;
    }
15. 15.🧩 Which language lays out the page? (a) HTML (b) CSS (c) JavaScript
16. 16.✍️ How does a CSS comment start? (a) # (b) // (c) <!-- (d) /*
17. 17.🖌️ What colour are the letters?
    h1 {
      font-size: 20px;
      background-color: black;
      text-align: center;
      color: blue;
    } (a) black (b) orange (c) blue
18. 18.🧩 Which language puts a picture on a page? (a) JavaScript (b) CSS (c) HTML
19. 19.🎨 A CSS file usually ends with which extension? (a) .js (b) .css (c) .html (d) .png
20. 20.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 3 (b) 4 (c) 2 (d) 6
21. 21.🖌️ Where does the text sit on its line?
    h1 {
      background-color: blue;
      font-size: 32px;
      color: red;
      text-align: right;
    } (a) on the right (b) on the left (c) in the middle
22. 22.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 240px;
      padding: 5px;
      border: 4px solid black;
      margin: 10px;
    }
23. 23.🎯 Which sign starts an id selector? (a) @ (b) & (c) # (d) .
24. 24.True or false: the border is space inside the border. (a) False (b) True
25. 25.🎯 Which CSS selector matches this element?
    <h2 class="red" id="hero">Hello</h2> (a) .box (b) #top (c) #hero (d) #red
26. 26.⚖️ Which selector is the strongest? (a) an id selector (b) a class selector (c) an element selector
27. 27.🖌️ What colour are the letters?
    h1 {
      background-color: white;
      color: green;
      font-size: 20px;
      text-align: center;
    } (a) green (b) white (c) black
28. 28.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 280px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 50px wide (no margins).
29. 29.📦 In the box model, which part is the text or picture? (a) margin (b) padding (c) border (d) content
30. 30.✍️ What is the selector in this CSS rule?
    h2 {
      text-align: center;
      background-color: yellow;
      margin: 10px;
    } (a) h2 (b) h1 (c) text-align (d) yellow
31. 31.🎯 Which CSS selector matches this element?
    <div class="box" id="end">Hello</div> (a) .end (b) .star (c) span (d) div
32. 32.💪 Which justify-content value puts boxes in the middle? (a) flex-start (b) space-between (c) center (d) flex-end
33. 33.🌈 In #rrggbb, which colour do the last two digits give? (a) white (b) red (c) green (d) blue
34. 34.⚖️ What colour is the text of this element?
    <h2 class="menu" id="hero">Hi</h2>
    CSS:
    #hero { color: orange; }
    #hero { color: red; } (a) red (b) yellow (c) black (d) orange
35. 35.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 18px;
      }
    }
36. 36.🖌️ What colour are the letters?
    h1 {
      color: purple;
      font-size: 36px;
      background-color: white;
      text-align: center;
    } (a) white (b) black (c) purple
37. 37.🌈 Which hex code is blue? (a) #0000ff (b) #000000 (c) #ff0000 (d) #ffff00
38. 38.What does background-color do? (a) centres a heading (b) colours behind the text (c) makes the text bold (d) sets the letter colour
39. 39.True or false: CSS makes headings and lists. (a) True (b) False
40. 40.🖌️ What colour is behind the letters?
    li {
      text-align: center;
      color: red;
      font-size: 36px;
      background-color: green;
    } (a) green (b) purple (c) red

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