CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 400 · 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.📱 The screen is 820px wide. Does the rule inside @media apply?
   p {
     font-size: 20px;
   }
   @media (min-width: 1024px) {
     p {
       font-size: 26px;
     }
   } (a) Yes (b) No
2. 2.🖌️ Which CSS property colours behind the text? (a) font-family (b) font-weight (c) color (d) background-color
3. 3.⚖️ 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
4. 4.✍️ How many declarations (property: value pairs) are in this rule?
   li {
     border: 2px solid;
     color: red;
   }
5. 5.💪 Which flexbox property spaces boxes along a row? (a) gap (b) display: flex (c) justify-content (d) flex-direction
6. 6.💪 How wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 280px;
     justify-content: space-between;
   }
   Inside are 3 boxes, each 60px wide (no margins).
7. 7.✍️ How many declarations (property: value pairs) are in this rule?
   p {
     text-align: center;
     color: red;
   }
8. 8.True or false: margin is space inside the border. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) gives the page structure (b) makes a link (c) changes the page live (d) makes a form box
10. 10.📦 In the box model, which part is a solid or dotted edge? (a) padding (b) margin (c) content (d) border
11. 11.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 260px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 60px wide (no margins).
12. 12.🖌️ Where does the text sit on its line?
    h2 {
      text-align: right;
      font-size: 40px;
      color: orange;
      background-color: black;
    } (a) on the left (b) in the middle (c) on the right
13. 13.⚖️ What colour is the text of this element?
    <h2 class="note" id="logo">Hi</h2>
    CSS:
    #logo { color: red; }
    .note { color: purple; }
    h2 { color: white; } (a) orange (b) white (c) purple (d) red
14. 14.🎯 What kind of selector is #top? (a) an id selector (b) an element selector (c) a class selector
15. 15.📱 Responsive design means a page ___. (a) fits every screen (b) is only for laptops (c) never changes (d) has no pictures
16. 16.🌈 In #000095 the blue part is the hex number 95. What is it as a normal number?
17. 17.⚖️ What colour is the text of this element?
    <h1 class="red" id="top">Hi</h1>
    CSS:
    h1 { color: white; }
    .red { color: purple; }
    #top { color: black; } (a) purple (b) yellow (c) white (d) black
18. 18.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 80px;
      padding: 10px;
      border: 3px solid black;
      margin: 10px;
    }
19. 19.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 250px;
      padding: 30px;
      border: 5px solid black;
      margin: 15px;
    }
20. 20.True or false: HTML changes the text size. (a) True (b) False
21. 21.🖌️ What colour are the letters?
    h2 {
      background-color: orange;
      font-size: 28px;
      text-align: right;
      color: white;
    } (a) red (b) white (c) orange
22. 22.🌈 Which colour is #ff0000? (a) white (b) bright green (c) blue (d) red
23. 23.✍️ Which property is set to yellow in this rule?
    p {
      width: 300px;
      background-color: yellow;
      border: 2px solid;
    } (a) yellow (b) padding (c) margin (d) background-color
24. 24.💪 Which flexbox property sets space between boxes? (a) display: flex (b) gap (c) flex-direction (d) align-items
25. 25.🎯 Which CSS selector matches this element?
    <div class="menu" id="end">Hello</div> (a) .note (b) span (c) div (d) .end
26. 26.🌈 Which colour of light is strongest in rgb(62, 180, 101)? (a) blue (b) green (c) red
27. 27.🌈 Which colour is #ff00ff? (a) bright green (b) yellow (c) magenta (d) cyan
28. 28.🌈 Which colour of light is strongest in rgb(194, 100, 85)? (a) blue (b) green (c) red
29. 29.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 160px;
      padding: 20px;
      border: 4px solid black;
      margin: 15px;
    }
30. 30.🌈 Hex digits go 0 to 9, then A to which letter? (a) G (b) Z (c) J (d) F
31. 31.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 14px;
      }
    }
32. 32.🌈 Which hex code is magenta? (a) #ff0000 (b) #ffff00 (c) #ff00ff (d) #00ff00
33. 33.True or false: .menu is a class selector. (a) True (b) False
34. 34.🖌️ What colour is behind the letters?
    h1 {
      background-color: orange;
      font-size: 24px;
      color: green;
      text-align: left;
    } (a) orange (b) yellow (c) green
35. 35.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 70px;
      padding: 20px;
      border: 4px solid black;
      margin: 15px;
    }
36. 36.✍️ How many declarations (property: value pairs) are in this rule?
    p {
      background-color: yellow;
      text-align: center;
    }
37. 37.📦 In the box model, which part is the line round the box? (a) padding (b) border (c) margin (d) content
38. 38.✍️ How does a CSS comment start? (a) # (b) /* (c) <!-- (d) //
39. 39.🎯 How many elements on a page should have the same id? (a) 2 (b) any number (c) 5 (d) 1
40. 40.🎯 Which element does the selector h1 style? (a) <h2> (b) <h1 class="red"> (c) <div id="hero"> (d) <li class="red">

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