CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 215 · 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 a media query check? (a) the screen width (b) the time of day (c) the page title (d) the battery level
2. 2.🎯 What kind of selector is #hero? (a) an id selector (b) a class selector (c) an element selector
3. 3.⚖️ What colour is the text of this element?
   <h2 class="big" id="hero">Hi</h2>
   CSS:
   #hero { color: red; }
   #hero { color: black; } (a) black (b) purple (c) red (d) orange
4. 4.📱 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
5. 5.🌈 Which colour is #00ffff? (a) cyan (b) black (c) blue (d) bright green
6. 6.📦 How much space top to bottom (px) does this box take in all, margin included?
   .box {
     height: 190px;
     padding: 10px;
     border: 2px solid black;
     margin: 20px;
   }
7. 7.🧩 Which language counts down a timer? (a) HTML (b) JavaScript (c) CSS
8. 8.✍️ Which property is set to 2px solid in this rule?
   .note {
     border: 2px solid;
     text-align: center;
     background-color: yellow;
   } (a) font-style (b) width (c) 2px solid (d) border
9. 9.🎯 Which element does the selector h1 style? (a) <li class="red"> (b) <h1 class="red"> (c) <h2> (d) <div id="end">
10. 10.⚖️ Which selector is the weakest? (a) an element selector (b) a class selector (c) an id selector
11. 11.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 40px;
      padding: 30px;
      border: 2px solid black;
      margin: 10px;
    }
12. 12.🌈 What is the biggest number one colour can have in rgb()? (a) 100 (b) 1000 (c) 99 (d) 255
13. 13.📦 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: 5px;
    }
14. 14.True or false: #logo is an id selector. (a) True (b) False
15. 15.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 150px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 40px wide (no margins).
16. 16.🎯 Which sign starts a class selector? (a) @ (b) & (c) . (d) #
17. 17.📱 The screen is 700px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 14px;
      }
    } (a) Yes (b) No
18. 18.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 250px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 80px wide (no margins).
19. 19.✍️ What value is given to margin in this rule?
    .note {
      width: 300px;
      font-style: italic;
      margin: 10px;
    } (a) 8px (b) margin (c) 10px (d) bold
20. 20.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 250px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 60px wide (no margins).
21. 21.🌈 In #00f400 the green part is the hex number f4. What is it as a normal number?
22. 22.Which of these does JavaScript do? (a) rounds box corners (b) puts a picture on a page (c) checks a quiz answer (d) sets colours and fonts
23. 23.💪 Which flexbox property sets space between boxes? (a) align-items (b) justify-content (c) gap (d) display: flex
24. 24.🎨 What does CSS stand for? (a) Computer Style Sheets (b) Creative Sheet System (c) Colourful Site Styles (d) Cascading Style Sheets
25. 25.✍️ How many declarations (property: value pairs) are in this rule?
    h2 {
      font-weight: bold;
      border: 2px solid;
      font-size: 20px;
      background-color: yellow;
    }
26. 26.💪 Which flexbox property spaces boxes along a row? (a) align-items (b) justify-content (c) gap (d) flex-direction
27. 27.⚖️ What colour is the text of this element?
    <p class="menu" id="logo">Hi</p>
    CSS:
    #logo { color: green; }
    #logo { color: white; } (a) white (b) green (c) orange (d) black
28. 28.🌈 Which colour is #000000? (a) red (b) white (c) black (d) blue
29. 29.✍️ How many declarations (property: value pairs) are in this rule?
    h2 {
      font-style: italic;
      font-weight: bold;
      padding: 8px;
      font-size: 20px;
    }
30. 30.What does justify-content: flex-end do? (a) puts boxes in the middle (b) equal gaps, none at ends (c) packs boxes at the end (d) packs boxes at the start
31. 31.✍️ In color: blue; which part is the property? (a) ; (b) blue (c) : (d) color
32. 32.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 320px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 60px wide (no margins).
33. 33.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 140px;
      padding: 5px;
      border: 4px solid black;
      margin: 5px;
    }
34. 34.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 280px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 50px wide (no margins).
35. 35.🖌️ How big is the text, in px?
    li {
      text-align: center;
      color: yellow;
      font-size: 20px;
      background-color: black;
    }
36. 36.💪 Which justify-content value packs boxes at the end? (a) space-between (b) flex-end (c) center (d) flex-start
37. 37.✍️ What value is given to font-size in this rule?
    #top {
      border: 2px solid;
      color: red;
      font-style: italic;
      font-size: 20px;
    } (a) 20px (b) yellow (c) font-size (d) center
38. 38.✍️ What is the selector in this CSS rule?
    h2 {
      width: 300px;
      color: red;
    } (a) h1 (b) width (c) h2 (d) red
39. 39.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the later one (b) neither (c) the shorter one (d) the first one
40. 40.What does font-weight do? (a) makes letters bigger (b) centres a heading (c) picks the font style (d) makes the text bold

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