CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 831 · 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 selector is the weakest? (a) an id selector (b) an element selector (c) a class selector
2. 2.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 20px;
   }
   @media (min-width: 600px) {
     p {
       font-size: 26px;
     }
   }
3. 3.True or false: padding is space inside the border. (a) False (b) True
4. 4.📱 The screen is 820px wide. Does the rule inside @media apply?
   p {
     font-size: 16px;
   }
   @media (max-width: 768px) {
     p {
       font-size: 12px;
     }
   } (a) Yes (b) No
5. 5.Which of these does JavaScript do? (a) makes a link (b) gives the page structure (c) makes headings and lists (d) changes the page live
6. 6.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 16px;
   }
   @media (max-width: 1024px) {
     p {
       font-size: 12px;
     }
   }
7. 7.True or false: padding is a solid or dotted edge. (a) True (b) False
8. 8.⚖️ What colour is the text of this element?
   <h2 class="big" id="main">Hi</h2>
   CSS:
   #main { color: white; }
   #main { color: red; } (a) white (b) orange (c) purple (d) red
9. 9.⚖️ What colour is the text of this element?
   <h1 class="menu" id="hero">Hi</h1>
   CSS:
   #hero { color: yellow; }
   .menu { color: green; } (a) orange (b) purple (c) green (d) yellow
10. 10.True or false: padding is the gap round content. (a) True (b) False
11. 11.🎯 Which CSS selector matches this element?
    <li class="big" id="hero">Hello</li> (a) li (b) #top (c) div (d) #big
12. 12.📱 The screen is 414px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 28px;
      }
    } (a) No (b) Yes
13. 13.🖌️ Where does the text sit on its line?
    h2 {
      text-align: left;
      color: orange;
      font-size: 24px;
      background-color: yellow;
    } (a) in the middle (b) on the right (c) on the left
14. 14.🖌️ What colour are the letters?
    li {
      background-color: yellow;
      color: white;
      text-align: right;
      font-size: 16px;
    } (a) white (b) yellow (c) orange
15. 15.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 250px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 60px wide (no margins).
16. 16.🌈 In #680000 the red part is the hex number 68. What is it as a normal number?
17. 17.🖌️ Which CSS property makes the text bold? (a) font-weight (b) font-size (c) text-align (d) font-family
18. 18.✍️ Which property is set to 8px in this rule?
    li {
      border: 2px solid;
      font-size: 20px;
      color: red;
      padding: 8px;
    } (a) border (b) font-weight (c) 8px (d) padding
19. 19.🌈 What is the biggest number one colour can have in rgb()? (a) 1000 (b) 255 (c) 99 (d) 100
20. 20.🎯 What kind of selector is .big? (a) an id selector (b) a class selector (c) an element selector
21. 21.🌈 Which colour is rgb(0, 0, 255)? (a) bright green (b) yellow (c) blue (d) red
22. 22.🖌️ What colour are the letters?
    h1 {
      font-size: 20px;
      text-align: center;
      background-color: green;
      color: white;
    } (a) orange (b) green (c) white
23. 23.🌈 In #rrggbb, which colour do the last two digits give? (a) green (b) blue (c) white (d) red
24. 24.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 220px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 50px wide (no margins).
25. 25.📱 The screen is 320px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (min-width: 768px) {
      p {
        font-size: 20px;
      }
    } (a) Yes (b) No
26. 26.🌈 In #rrggbb, which colour do the first two digits give? (a) blue (b) green (c) red (d) black
27. 27.🔍 Which is the odd one out? (a) checks a quiz answer (b) counts down a timer (c) lays out the page (d) shows a pop-up message
28. 28.✍️ How many declarations (property: value pairs) are in this rule?
    #top {
      background-color: yellow;
      padding: 8px;
    }
29. 29.⚖️ What colour is the text of this element?
    <h1 class="note" id="intro">Hi</h1>
    CSS:
    .note { color: green; }
    #intro { color: white; }
    h1 { color: black; } (a) white (b) green (c) black (d) purple
30. 30.✍️ Which sign ends each CSS declaration? (a) , (b) : (c) ; (d) .
31. 31.🌈 Which colour of light is strongest in rgb(117, 180, 113)? (a) red (b) blue (c) green
32. 32.True or false: margin is space outside the border. (a) True (b) False
33. 33.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 160px;
      padding: 15px;
      border: 2px solid black;
      margin: 10px;
    }
34. 34.🎯 What kind of selector is .note? (a) an element selector (b) an id selector (c) a class selector
35. 35.True or false: the content is space inside the border. (a) True (b) False
36. 36.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 230px;
      padding: 5px;
      border: 4px solid black;
      margin: 20px;
    }
37. 37.🌈 Which colour is #ff00ff? (a) white (b) magenta (c) cyan (d) yellow
38. 38.🎯 How many elements on a page should have the same id? (a) any number (b) 5 (c) 1 (d) 2
39. 39.🎯 Which CSS selector matches this element?
    <span class="box" id="hero">Hello</span> (a) #top (b) #box (c) #hero (d) p
40. 40.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 26px;
      }
    }

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