CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 983 · 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 language sets colours and fonts? (a) JavaScript (b) HTML (c) CSS
2. 2.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 20px;
   }
   @media (min-width: 480px) {
     p {
       font-size: 28px;
     }
   }
3. 3.🔍 Which is the odd one out? (a) reacts to a button click (b) changes the page live (c) makes a form box (d) counts down a timer
4. 4.📱 The screen is 1100px wide. Does the rule inside @media apply?
   p {
     font-size: 20px;
   }
   @media (max-width: 768px) {
     p {
       font-size: 14px;
     }
   } (a) No (b) Yes
5. 5.🔍 Which is the odd one out? (a) makes headings and lists (b) gives the page structure (c) makes a link (d) changes the page live
6. 6.🌈 Which colour is rgb(255, 255, 0)? (a) yellow (b) cyan (c) blue (d) magenta
7. 7.⚖️ What colour is the text of this element?
   <h1 class="box" id="main">Hi</h1>
   CSS:
   h1 { color: orange; }
   .box { color: black; } (a) black (b) white (c) orange (d) red
8. 8.✍️ Which sign goes between a property and its value? (a) ; (b) - (c) : (d) =
9. 9.What does justify-content: flex-end do? (a) equal gaps, none at ends (b) puts boxes in the middle (c) packs boxes at the start (d) packs boxes at the end
10. 10.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 50px;
      padding: 30px;
      border: 2px solid black;
      margin: 15px;
    }
11. 11.✍️ What is the selector in this CSS rule?
    .box {
      padding: 8px;
      font-size: 20px;
      font-style: italic;
      background-color: yellow;
    } (a) padding (b) 20px (c) h2 (d) .box
12. 12.✍️ Which property is set to italic in this rule?
    p {
      font-size: 20px;
      background-color: yellow;
      margin: 10px;
      font-style: italic;
    } (a) italic (b) font-size (c) font-style (d) color
13. 13.✍️ What is the selector in this CSS rule?
    h1 {
      width: 300px;
      color: red;
      font-weight: bold;
    } (a) p (b) red (c) h1 (d) width
14. 14.🧩 Which language reacts to a button click? (a) HTML (b) CSS (c) JavaScript
15. 15.🎯 What kind of selector is .star? (a) an element selector (b) a class selector (c) an id selector
16. 16.✍️ How many declarations (property: value pairs) are in this rule?
    body {
      margin: 10px;
    }
17. 17.⚖️ What colour is the text of this element?
    <h2 class="note" id="end">Hi</h2>
    CSS:
    #end { color: yellow; }
    h2 { color: red; }
    .note { color: orange; } (a) orange (b) purple (c) yellow (d) red
18. 18.🎨 What does CSS stand for? (a) Computer Style Sheets (b) Cascading Style Sheets (c) Creative Sheet System (d) Colourful Site Styles
19. 19.⚖️ Which selector is the weakest? (a) an id selector (b) an element selector (c) a class selector
20. 20.✍️ What is the selector in this CSS rule?
    h2 {
      margin: 10px;
      background-color: yellow;
      color: red;
    } (a) yellow (b) margin (c) h1 (d) h2
21. 21.⚖️ 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
22. 22.✍️ What is the selector in this CSS rule?
    .box {
      font-weight: bold;
      margin: 10px;
      font-size: 20px;
      width: 300px;
    } (a) h2 (b) font-weight (c) 10px (d) .box
23. 23.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 280px;
      justify-content: center;
    }
    Inside are 2 boxes, each 60px wide (no margins).
24. 24.Which of these does HTML do? (a) changes the page live (b) sets colours and fonts (c) checks a quiz answer (d) gives the page structure
25. 25.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 420px;
      justify-content: center;
    }
    Inside are 4 boxes, each 80px wide (no margins).
26. 26.✍️ What value is given to color in this rule?
    body {
      margin: 10px;
      color: red;
      text-align: center;
      width: 300px;
    } (a) center (b) color (c) red (d) 20px
27. 27.✍️ How does a CSS comment start? (a) // (b) /* (c) # (d) <!--
28. 28.🌈 Which colour is #ffffff? (a) white (b) black (c) magenta (d) yellow
29. 29.📱 Responsive design means a page ___. (a) has no pictures (b) is only for laptops (c) fits every screen (d) never changes
30. 30.⚖️ What colour is the text of this element?
    <h2 class="star" id="main">Hi</h2>
    CSS:
    h2 { color: blue; }
    #main { color: black; }
    .star { color: purple; } (a) green (b) purple (c) black (d) blue
31. 31.✍️ What is the selector in this CSS rule?
    .note {
      text-align: center;
      margin: 10px;
      background-color: yellow;
    } (a) #top (b) text-align (c) 10px (d) .note
32. 32.✍️ What is the selector in this CSS rule?
    .box {
      background-color: yellow;
      width: 300px;
    } (a) .box (b) h2 (c) background-color (d) 300px
33. 33.Which of these does CSS do? (a) reacts to a button click (b) makes headings and lists (c) makes a link (d) changes the text size
34. 34.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 340px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 100px wide (no margins).
35. 35.Which of these does HTML do? (a) reacts to a button click (b) lays out the page (c) puts a picture on a page (d) changes the text size
36. 36.⚖️ What colour is the text of this element?
    <p class="red" id="intro">Hi</p>
    CSS:
    .red { color: blue; }
    p { color: yellow; } (a) yellow (b) blue (c) orange (d) red
37. 37.🖌️ What colour is behind the letters?
    li {
      text-align: right;
      color: green;
      background-color: black;
      font-size: 28px;
    } (a) blue (b) black (c) green
38. 38.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 210px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 100px wide (no margins).
39. 39.🖌️ What colour are the letters?
    p {
      background-color: blue;
      text-align: right;
      font-size: 32px;
      color: yellow;
    } (a) blue (b) red (c) yellow
40. 40.True or false: .menu is an id selector. (a) False (b) True

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