CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 177 · 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 does justify-content: center do? (a) packs boxes at the start (b) equal gaps, none at ends (c) packs boxes at the end (d) puts boxes in the middle
2. 2.⚖️ What colour is the text of this element?
   <p class="box" id="intro">Hi</p>
   CSS:
   #intro { color: red; }
   .box { color: green; }
   p { color: orange; } (a) red (b) green (c) black (d) orange
3. 3.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 20px;
   }
   @media (max-width: 480px) {
     p {
       font-size: 18px;
     }
   }
4. 4.🖌️ How big is the text, in px?
   h2 {
     background-color: blue;
     text-align: center;
     color: yellow;
     font-size: 24px;
   }
5. 5.🖌️ What colour is behind the letters?
   h1 {
     font-size: 32px;
     background-color: white;
     text-align: center;
     color: red;
   } (a) red (b) white (c) yellow
6. 6.🌈 Which hex code is black? (a) #000000 (b) #ff0000 (c) #ffffff (d) #ffff00
7. 7.📱 The screen is 700px wide. Does the rule inside @media apply?
   p {
     font-size: 16px;
   }
   @media (min-width: 480px) {
     p {
       font-size: 18px;
     }
   } (a) No (b) Yes
8. 8.💪 Which flexbox property spaces boxes along a row? (a) flex-direction (b) display: flex (c) justify-content (d) align-items
9. 9.✍️ Which property is set to yellow in this rule?
   p {
     border: 2px solid;
     background-color: yellow;
   } (a) margin (b) yellow (c) padding (d) background-color
10. 10.🖌️ Which CSS property makes the text bold? (a) font-size (b) font-weight (c) background-color (d) text-align
11. 11.📦 In the box model, which part is the gap round content? (a) content (b) padding (c) border (d) margin
12. 12.🎯 Which CSS selector matches this element?
    <p class="note" id="top">Hello</p> (a) .note (b) #note (c) .big (d) #intro
13. 13.🌈 Which colour is rgb(255, 0, 255)? (a) blue (b) black (c) magenta (d) bright green
14. 14.📱 The screen is 540px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 20px;
      }
    } (a) Yes (b) No
15. 15.What does justify-content: flex-start do? (a) puts boxes in the middle (b) packs boxes at the start (c) packs boxes at the end (d) equal gaps, none at ends
16. 16.True or false: CSS puts a picture on a page. (a) True (b) False
17. 17.✍️ What is the selector in this CSS rule?
    p {
      width: 300px;
      font-style: italic;
      color: red;
      padding: 8px;
    } (a) width (b) .note (c) italic (d) p
18. 18.✍️ How many declarations (property: value pairs) are in this rule?
    .box {
      padding: 8px;
      font-weight: bold;
      text-align: center;
      width: 300px;
    }
19. 19.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 70px;
      padding: 30px;
      border: 4px solid black;
      margin: 0px;
    }
20. 20.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 220px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 80px wide (no margins).
21. 21.📱 The screen is 1366px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (min-width: 768px) {
      p {
        font-size: 16px;
      }
    }
22. 22.💪 Which justify-content value packs boxes at the start? (a) space-between (b) flex-end (c) center (d) flex-start
23. 23.🎯 Which sign starts an id selector? (a) # (b) . (c) @ (d) &
24. 24.🖌️ What colour are the letters?
    h1 {
      text-align: center;
      font-size: 28px;
      color: white;
      background-color: green;
    } (a) white (b) black (c) green
25. 25.🌈 Which colour is #ff0000? (a) white (b) red (c) black (d) blue
26. 26.True or false: padding is space inside the border. (a) False (b) True
27. 27.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 300px;
      padding: 30px;
      border: 5px solid black;
      margin: 20px;
    }
28. 28.🎨 Which attribute adds CSS inside one tag? (a) src (b) style (c) href (d) alt
29. 29.✍️ What value is given to font-weight in this rule?
    li {
      padding: 8px;
      background-color: yellow;
      color: red;
      font-weight: bold;
    } (a) font-weight (b) 2px solid (c) 300px (d) bold
30. 30.True or false: li is an id selector. (a) True (b) False
31. 31.Which of these does HTML do? (a) changes the page live (b) gives the page structure (c) checks a quiz answer (d) reacts to a button click
32. 32.True or false: body is an element selector. (a) True (b) False
33. 33.📱 Which tag helps phones show a page at the right size? (a) the hr tag (b) the viewport meta tag (c) the title tag (d) the br tag
34. 34.True or false: .big is an element selector. (a) False (b) True
35. 35.💪 Which flexbox property turns on flexbox? (a) flex-direction (b) justify-content (c) gap (d) display: flex
36. 36.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 460px;
      justify-content: center;
    }
    Inside are 3 boxes, each 100px wide (no margins).
37. 37.What does background-color do? (a) picks the font style (b) sets the letter colour (c) makes the text bold (d) colours behind the text
38. 38.🌈 What is the biggest number one colour can have in rgb()? (a) 100 (b) 1000 (c) 99 (d) 255
39. 39.📦 In the box model, which part is the gap to other boxes? (a) padding (b) border (c) margin (d) content
40. 40.✍️ In color: blue; which part is the property? (a) blue (b) : (c) ; (d) color

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