CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 78 · 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 is the odd one out? (a) checks a quiz answer (b) reacts to a button click (c) changes the text size (d) counts down a timer
2. 2.🖌️ What colour is behind the letters?
   h2 {
     background-color: blue;
     color: orange;
     text-align: left;
     font-size: 12px;
   } (a) orange (b) red (c) blue
3. 3.📦 How much space across (px) does this box take in all, margin included?
   .box {
     width: 200px;
     padding: 30px;
     border: 2px solid black;
     margin: 15px;
   }
4. 4.✍️ What is the selector in this CSS rule?
   .note {
     text-align: center;
     color: red;
     margin: 10px;
     width: 300px;
   } (a) red (b) .note (c) #top (d) text-align
5. 5.⚖️ Two rules with the same selector set a colour. Which one wins? (a) neither (b) the first one (c) the later one (d) the shorter one
6. 6.🌈 Which colour of light is strongest in rgb(171, 71, 33)? (a) blue (b) red (c) green
7. 7.🎯 Which element does the selector li style? (a) <span class="big"> (b) <div> (c) <li class="big"> (d) <p id="hero">
8. 8.🎯 Which sign starts a class selector? (a) # (b) @ (c) & (d) .
9. 9.🎯 Which CSS selector matches this element?
   <p class="note" id="top">Hello</p> (a) #note (b) #intro (c) #top (d) .big
10. 10.🎯 Which element does the selector div style? (a) <span> (b) <div class="note"> (c) <p class="note"> (d) <h1 id="hero">
11. 11.📱 max-width: 600px applies when the screen is ___. (a) turned off (b) 600px or narrower (c) 600px or wider (d) exactly 1000px
12. 12.🖌️ What colour is behind the letters?
    p {
      text-align: right;
      font-size: 16px;
      color: black;
      background-color: white;
    } (a) green (b) black (c) white
13. 13.🎨 What does CSS stand for? (a) Creative Sheet System (b) Computer Style Sheets (c) Colourful Site Styles (d) Cascading Style Sheets
14. 14.🧩 Which language makes a form box? (a) CSS (b) HTML (c) JavaScript
15. 15.⚖️ What colour is the text of this element?
    <h2 class="note" id="top">Hi</h2>
    CSS:
    h2 { color: purple; }
    h2 { color: blue; } (a) blue (b) orange (c) black (d) purple
16. 16.True or false: .note is an id selector. (a) False (b) True
17. 17.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (min-width: 600px) {
      p {
        font-size: 28px;
      }
    }
18. 18.Which of these is padding? (a) the line round the box (b) space inside the border (c) the gap to other boxes (d) the text or picture
19. 19.🌈 Which colour is #ffffff? (a) bright green (b) red (c) yellow (d) white
20. 20.🖌️ How big is the text, in px?
    p {
      text-align: left;
      color: purple;
      background-color: orange;
      font-size: 32px;
    }
21. 21.🖌️ Which CSS property colours behind the text? (a) text-align (b) font-weight (c) color (d) background-color
22. 22.True or false: #hero is a class selector. (a) True (b) False
23. 23.📦 In the box model, which part is the line round the box? (a) margin (b) content (c) padding (d) border
24. 24.Which of these does JavaScript do? (a) puts a picture on a page (b) rounds box corners (c) reacts to a button click (d) adds space around boxes
25. 25.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 50px;
      padding: 10px;
      border: 2px solid black;
      margin: 5px;
    }
26. 26.Which of these is the content? (a) the gap round content (b) the line round the box (c) the text or picture (d) space inside the border
27. 27.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 120px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 40px wide (no margins).
28. 28.🖌️ What colour is behind the letters?
    p {
      font-size: 36px;
      color: white;
      background-color: yellow;
      text-align: center;
    } (a) yellow (b) blue (c) white
29. 29.🧩 Which language gives the page structure? (a) CSS (b) HTML (c) JavaScript
30. 30.🖌️ Which CSS property centres a heading? (a) text-align (b) font-family (c) background-color (d) font-weight
31. 31.🔍 Which is the odd one out? (a) rounds box corners (b) makes a form box (c) makes a link (d) gives the page structure
32. 32.✍️ What is the selector in this CSS rule?
    li {
      border: 2px solid;
      text-align: center;
      margin: 10px;
      font-size: 20px;
    } (a) center (b) li (c) body (d) border
33. 33.✍️ CSS declarations go inside which brackets? (a) [ ] (b) < > (c) { } (d) ( )
34. 34.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 170px;
      padding: 30px;
      border: 1px solid black;
      margin: 5px;
    }
35. 35.🖌️ What colour is behind the letters?
    p {
      color: black;
      text-align: center;
      background-color: purple;
      font-size: 32px;
    } (a) blue (b) black (c) purple
36. 36.🎯 Which element does the selector .red style? (a) <p id="red"> (b) <p class="box"> (c) <h1 class="star"> (d) <p class="red">
37. 37.⚖️ What colour is the text of this element?
    <h1 class="menu" id="logo">Hi</h1>
    CSS:
    h1 { color: yellow; }
    .menu { color: orange; } (a) yellow (b) orange (c) blue (d) black
38. 38.🎯 What kind of selector is .note? (a) a class selector (b) an element selector (c) an id selector
39. 39.✍️ What is the selector in this CSS rule?
    body {
      text-align: center;
      width: 300px;
      padding: 8px;
      border: 2px solid;
    } (a) 300px (b) body (c) .box (d) text-align
40. 40.✍️ How many declarations (property: value pairs) are in this rule?
    p {
      color: red;
    }

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