CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 408 · 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 battery level (b) the page title (c) the time of day (d) the screen width
2. 2.✍️ What value is given to background-color in this rule?
   body {
     border: 2px solid;
     background-color: yellow;
     font-weight: bold;
     width: 300px;
   } (a) 10px (b) 8px (c) background-color (d) yellow
3. 3.✍️ What value is given to margin in this rule?
   .note {
     margin: 10px;
     width: 300px;
     font-size: 20px;
     font-style: italic;
   } (a) 8px (b) bold (c) 10px (d) margin
4. 4.🌈 In #8a0000 the red part is the hex number 8a. What is it as a normal number?
5. 5.⚖️ What colour is the text of this element?
   <h1 class="big" id="intro">Hi</h1>
   CSS:
   #intro { color: red; }
   #intro { color: purple; } (a) black (b) red (c) purple (d) yellow
6. 6.⚖️ What colour is the text of this element?
   <p class="menu" id="main">Hi</p>
   CSS:
   p { color: green; }
   #main { color: red; }
   .menu { color: yellow; } (a) green (b) red (c) yellow (d) orange
7. 7.🎯 What kind of selector is h1? (a) an id selector (b) an element selector (c) a class selector
8. 8.🌈 Which colour is rgb(0, 255, 0)? (a) blue (b) bright green (c) black (d) white
9. 9.🌈 Which colour is rgb(0, 0, 255)? (a) cyan (b) red (c) blue (d) yellow
10. 10.True or false: .menu is an id selector. (a) True (b) False
11. 11.⚖️ Which selector is the strongest? (a) a class selector (b) an id selector (c) an element selector
12. 12.⚖️ What colour is the text of this element?
    <h2 class="red" id="intro">Hi</h2>
    CSS:
    h2 { color: white; }
    h2 { color: blue; } (a) blue (b) white (c) yellow (d) green
13. 13.📦 In the box model, which part is the line round the box? (a) content (b) margin (c) border (d) padding
14. 14.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 80px;
      padding: 30px;
      border: 3px solid black;
      margin: 5px;
    }
15. 15.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 180px;
      padding: 15px;
      border: 4px solid black;
      margin: 5px;
    }
16. 16.🌈 In #00006a the blue part is the hex number 6a. What is it as a normal number?
17. 17.🖌️ Where does the text sit on its line?
    li {
      text-align: right;
      background-color: white;
      color: purple;
      font-size: 32px;
    } (a) on the left (b) in the middle (c) on the right
18. 18.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 8px;
      }
    }
19. 19.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 260px;
      justify-content: center;
    }
    Inside are 4 boxes, each 60px wide (no margins).
20. 20.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 70px;
      padding: 10px;
      border: 2px solid black;
      margin: 15px;
    }
21. 21.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 180px;
      padding: 30px;
      border: 1px solid black;
      margin: 10px;
    }
22. 22.Which of these does HTML do? (a) sets colours and fonts (b) adds space around boxes (c) shows a pop-up message (d) makes a link
23. 23.✍️ How many declarations (property: value pairs) are in this rule?
    p {
      background-color: yellow;
      color: red;
      font-size: 20px;
    }
24. 24.✍️ CSS declarations go inside which brackets? (a) { } (b) < > (c) [ ] (d) ( )
25. 25.🧩 Which language changes the text size? (a) JavaScript (b) CSS (c) HTML
26. 26.🌈 Which colour is #ffffff? (a) black (b) red (c) cyan (d) white
27. 27.🌈 Which colour is rgb(0, 0, 0)? (a) blue (b) cyan (c) yellow (d) black
28. 28.🔍 Which is the odd one out? (a) makes a form box (b) gives the page structure (c) puts a picture on a page (d) rounds box corners
29. 29.💪 Which flexbox property spaces boxes along a row? (a) justify-content (b) align-items (c) gap (d) flex-direction
30. 30.🖌️ Where does the text sit on its line?
    h2 {
      text-align: center;
      background-color: red;
      color: blue;
      font-size: 12px;
    } (a) on the right (b) in the middle (c) on the left
31. 31.🧩 Which language adds space around boxes? (a) JavaScript (b) HTML (c) CSS
32. 32.⚖️ What colour is the text of this element?
    <h1 class="red" id="hero">Hi</h1>
    CSS:
    .red { color: white; }
    #hero { color: orange; }
    h1 { color: yellow; } (a) orange (b) yellow (c) white (d) black
33. 33.⚖️ What colour is the text of this element?
    <h1 class="red" id="intro">Hi</h1>
    CSS:
    #intro { color: orange; }
    #intro { color: yellow; } (a) orange (b) red (c) yellow (d) purple
34. 34.🎯 Can many elements share the same class? (a) No (b) Yes
35. 35.✍️ In color: blue; which part is the value? (a) : (b) blue (c) ; (d) color
36. 36.🌈 In #000032 the blue part is the hex number 32. What is it as a normal number?
37. 37.✍️ How many declarations (property: value pairs) are in this rule?
    h1 {
      color: red;
    }
38. 38.✍️ How many declarations (property: value pairs) are in this rule?
    p {
      font-style: italic;
    }
39. 39.🌈 Which colour is #ffff00? (a) bright green (b) yellow (c) blue (d) red
40. 40.🖌️ What colour are the letters?
    li {
      background-color: black;
      font-size: 24px;
      color: blue;
      text-align: right;
    } (a) blue (b) orange (c) black

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