CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 238 · 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 kind of selector is #top? (a) an id selector (b) an element selector (c) a class selector
2. 2.🎨 One CSS file can style how many pages? (a) only one word (b) only one image (c) many pages (d) no pages
3. 3.⚖️ What colour is the text of this element?
   <h1 class="red" id="logo">Hi</h1>
   CSS:
   .red { color: yellow; }
   .red { color: blue; } (a) yellow (b) orange (c) red (d) blue
4. 4.💪 How wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 270px;
     justify-content: space-between;
   }
   Inside are 4 boxes, each 60px wide (no margins).
5. 5.🖌️ Which CSS property makes the text bold? (a) background-color (b) font-family (c) text-align (d) font-weight
6. 6.What does justify-content: flex-end do? (a) puts boxes in the middle (b) packs boxes at the end (c) packs boxes at the start (d) equal gaps, none at ends
7. 7.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 16px;
   }
   @media (max-width: 768px) {
     p {
       font-size: 12px;
     }
   }
8. 8.📱 Responsive design means a page ___. (a) has no pictures (b) is only for laptops (c) never changes (d) fits every screen
9. 9.📱 The screen is 1366px wide. Does the rule inside @media apply?
   p {
     font-size: 20px;
   }
   @media (max-width: 480px) {
     p {
       font-size: 14px;
     }
   } (a) Yes (b) No
10. 10.What does justify-content: space-between do? (a) packs boxes at the start (b) puts boxes in the middle (c) packs boxes at the end (d) equal gaps, none at ends
11. 11.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 160px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 60px wide (no margins).
12. 12.💪 Which flexbox property lines boxes up across? (a) justify-content (b) display: flex (c) align-items (d) gap
13. 13.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 140px;
      padding: 30px;
      border: 4px solid black;
      margin: 5px;
    }
14. 14.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 140px;
      justify-content: center;
    }
    Inside are 2 boxes, each 40px wide (no margins).
15. 15.🎯 Which sign starts a class selector? (a) & (b) @ (c) . (d) #
16. 16.📦 In the box model, which part is the gap round content? (a) content (b) padding (c) margin (d) border
17. 17.🧩 Which language changes the text size? (a) HTML (b) JavaScript (c) CSS
18. 18.What does background-color do? (a) colours behind the text (b) makes the text bold (c) picks the font style (d) sets the letter colour
19. 19.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 20px;
      }
    }
20. 20.⚖️ What colour is the text of this element?
    <h2 class="red" id="top">Hi</h2>
    CSS:
    h2 { color: orange; }
    .red { color: black; }
    #top { color: yellow; } (a) orange (b) yellow (c) blue (d) black
21. 21.📱 Which tag helps phones show a page at the right size? (a) the br tag (b) the hr tag (c) the title tag (d) the viewport meta tag
22. 22.📱 The screen is 1366px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 10px;
      }
    }
23. 23.⚖️ What colour is the text of this element?
    <h1 class="big" id="hero">Hi</h1>
    CSS:
    #hero { color: black; }
    .big { color: purple; }
    h1 { color: yellow; } (a) yellow (b) purple (c) orange (d) black
24. 24.True or false: CSS makes headings and lists. (a) False (b) True
25. 25.🌈 In #4c0000 the red part is the hex number 4c. What is it as a normal number?
26. 26.🧩 Which language checks a quiz answer? (a) JavaScript (b) CSS (c) HTML
27. 27.✍️ How many declarations (property: value pairs) are in this rule?
    li {
      width: 300px;
      padding: 8px;
      font-style: italic;
      margin: 10px;
    }
28. 28.🌈 Which colour of light is strongest in rgb(69, 192, 100)? (a) green (b) red (c) blue
29. 29.What does font-family do? (a) makes letters bigger (b) makes the text bold (c) picks the font style (d) centres a heading
30. 30.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 4 (b) 2 (c) 6 (d) 3
31. 31.💪 Which justify-content value packs boxes at the start? (a) flex-end (b) space-between (c) center (d) flex-start
32. 32.What does font-size do? (a) colours behind the text (b) centres a heading (c) makes letters bigger (d) picks the font style
33. 33.🧩 Which language puts a picture on a page? (a) JavaScript (b) CSS (c) HTML
34. 34.✍️ How many declarations (property: value pairs) are in this rule?
    h2 {
      color: red;
      font-weight: bold;
    }
35. 35.💪 Which flexbox property picks row or column? (a) display: flex (b) gap (c) justify-content (d) flex-direction
36. 36.🎯 What kind of selector is h1? (a) an id selector (b) a class selector (c) an element selector
37. 37.📱 The screen is 1366px wide. Does the rule inside @media apply?
    p {
      font-size: 20px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 28px;
      }
    } (a) No (b) Yes
38. 38.📱 The screen is 414px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 20px;
      }
    } (a) No (b) Yes
39. 39.🌈 Which hex code is black? (a) #ffff00 (b) #0000ff (c) #000000 (d) #ff00ff
40. 40.🖌️ What colour are the letters?
    h1 {
      color: orange;
      background-color: white;
      text-align: left;
      font-size: 28px;
    } (a) white (b) orange (c) green

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