CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 57 · 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 tag holds CSS inside the head? (a) <body> (b) <style> (c) <script> (d) <css>
2. 2.⚖️ What colour is the text of this element?
   <h1 class="menu" id="intro">Hi</h1>
   CSS:
   #intro { color: red; }
   #intro { color: white; } (a) black (b) white (c) red (d) green
3. 3.💪 How wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 170px;
     justify-content: space-between;
   }
   Inside are 2 boxes, each 60px wide (no margins).
4. 4.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the later one (b) the shorter one (c) the first one (d) neither
5. 5.⚖️ What colour is the text of this element?
   <h1 class="note" id="top">Hi</h1>
   CSS:
   h1 { color: yellow; }
   h1 { color: blue; } (a) blue (b) white (c) yellow (d) black
6. 6.✍️ Which property is set to 2px solid in this rule?
   p {
     border: 2px solid;
     width: 300px;
     padding: 8px;
     margin: 10px;
   } (a) font-style (b) border (c) 2px solid (d) width
7. 7.What does font-size do? (a) colours behind the text (b) picks the font style (c) makes letters bigger (d) sets the letter colour
8. 8.🎯 Which element does the selector #end style? (a) <div class="end"> (b) <div id="hero"> (c) <span class="note"> (d) <div id="end">
9. 9.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 24px;
   }
   @media (min-width: 480px) {
     p {
       font-size: 28px;
     }
   }
10. 10.✍️ In color: blue; which part is the value? (a) color (b) ; (c) : (d) blue
11. 11.✍️ What value is given to font-size in this rule?
    .note {
      font-weight: bold;
      font-size: 20px;
    } (a) 20px (b) font-size (c) yellow (d) center
12. 12.🧩 Which language changes the text size? (a) CSS (b) HTML (c) JavaScript
13. 13.🎯 Can many elements share the same class? (a) Yes (b) No
14. 14.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 240px;
      padding: 15px;
      border: 2px solid black;
      margin: 15px;
    }
15. 15.🎯 How many elements on a page should have the same id? (a) 5 (b) 1 (c) 2 (d) any number
16. 16.⚖️ What colour is the text of this element?
    <p class="star" id="hero">Hi</p>
    CSS:
    #hero { color: purple; }
    p { color: blue; } (a) purple (b) orange (c) blue (d) yellow
17. 17.⚖️ What colour is the text of this element?
    <p class="star" id="logo">Hi</p>
    CSS:
    #logo { color: orange; }
    p { color: blue; }
    .star { color: purple; } (a) green (b) purple (c) blue (d) orange
18. 18.⚖️ What colour is the text of this element?
    <h2 class="box" id="end">Hi</h2>
    CSS:
    .box { color: green; }
    .box { color: white; } (a) green (b) blue (c) white (d) black
19. 19.💪 Which flexbox property sets space between boxes? (a) justify-content (b) display: flex (c) flex-direction (d) gap
20. 20.🎨 A CSS file usually ends with which extension? (a) .css (b) .html (c) .png (d) .js
21. 21.📦 In the box model, which part is the line round the box? (a) border (b) margin (c) padding (d) content
22. 22.🎨 Which attribute adds CSS inside one tag? (a) href (b) alt (c) src (d) style
23. 23.✍️ Which sign ends each CSS declaration? (a) : (b) . (c) , (d) ;
24. 24.📱 min-width: 800px applies when the screen is ___. (a) turned off (b) exactly 100px (c) 800px or narrower (d) 800px or wider
25. 25.🖌️ How big is the text, in px?
    h1 {
      font-size: 12px;
      text-align: left;
      background-color: green;
      color: blue;
    }
26. 26.🌈 In #470000 the red part is the hex number 47. What is it as a normal number?
27. 27.💪 Which flexbox property turns on flexbox? (a) flex-direction (b) justify-content (c) gap (d) display: flex
28. 28.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 10px;
      }
    }
29. 29.🌈 Which colour is rgb(0, 0, 0)? (a) red (b) black (c) white (d) yellow
30. 30.🎯 Which CSS selector matches this element?
    <h1 class="big" id="top">Hello</h1> (a) #big (b) .red (c) h2 (d) .big
31. 31.🌈 In #rrggbb, which colour do the last two digits give? (a) green (b) red (c) blue (d) white
32. 32.🖌️ What colour is behind the letters?
    h1 {
      color: red;
      font-size: 20px;
      background-color: green;
      text-align: left;
    } (a) green (b) purple (c) red
33. 33.📱 The screen is 320px wide. Does the rule inside @media apply?
    p {
      font-size: 20px;
    }
    @media (min-width: 600px) {
      p {
        font-size: 28px;
      }
    } (a) Yes (b) No
34. 34.📱 The screen is 820px wide. Does the rule inside @media apply?
    p {
      font-size: 20px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 16px;
      }
    } (a) Yes (b) No
35. 35.✍️ Which property is set to italic in this rule?
    body {
      font-weight: bold;
      font-style: italic;
    } (a) font-size (b) italic (c) font-style (d) color
36. 36.🖌️ What colour is behind the letters?
    li {
      background-color: orange;
      text-align: left;
      font-size: 12px;
      color: purple;
    } (a) white (b) purple (c) orange
37. 37.💪 Which justify-content value equal gaps, none at ends? (a) center (b) space-between (c) flex-start (d) flex-end
38. 38.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 560px;
      justify-content: center;
    }
    Inside are 4 boxes, each 100px wide (no margins).
39. 39.📱 What does a media query check? (a) the page title (b) the battery level (c) the time of day (d) the screen width
40. 40.🖌️ Which CSS property centres a heading? (a) font-family (b) font-size (c) text-align (d) font-weight

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