CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 518 · 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 makes a form box? (a) JavaScript (b) CSS (c) HTML
2. 2.🔍 Which is the odd one out? (a) adds space around boxes (b) rounds box corners (c) changes the text size (d) changes the page live
3. 3.🧩 Which language gives the page structure? (a) HTML (b) CSS (c) JavaScript
4. 4.📦 How much space across (px) does this box take in all, margin included?
   .box {
     width: 200px;
     padding: 20px;
     border: 1px solid black;
     margin: 10px;
   }
5. 5.✍️ How many declarations (property: value pairs) are in this rule?
   li {
     font-weight: bold;
     text-align: center;
   }
6. 6.⚖️ What colour is the text of this element?
   <h2 class="menu" id="end">Hi</h2>
   CSS:
   h2 { color: red; }
   .menu { color: green; } (a) orange (b) blue (c) red (d) green
7. 7.🎯 What kind of selector is li? (a) an id selector (b) a class selector (c) an element selector
8. 8.🖌️ Where does the text sit on its line?
   h1 {
     color: orange;
     text-align: center;
     background-color: yellow;
     font-size: 12px;
   } (a) on the left (b) on the right (c) in the middle
9. 9.✍️ Which sign goes between a property and its value? (a) ; (b) - (c) : (d) =
10. 10.✍️ How many declarations (property: value pairs) are in this rule?
    p {
      font-size: 20px;
    }
11. 11.✍️ In color: blue; which part is the value? (a) color (b) blue (c) : (d) ;
12. 12.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 18px;
      }
    }
13. 13.True or false: .star is a class selector. (a) True (b) False
14. 14.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 200px;
      padding: 30px;
      border: 4px solid black;
      margin: 0px;
    }
15. 15.📱 min-width: 800px applies when the screen is ___. (a) 800px or wider (b) exactly 100px (c) turned off (d) 800px or narrower
16. 16.What does background-color do? (a) sets the letter colour (b) centres a heading (c) colours behind the text (d) makes the text bold
17. 17.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 2 (b) 4 (c) 3 (d) 6
18. 18.⚖️ What colour is the text of this element?
    <h1 class="red" id="top">Hi</h1>
    CSS:
    #top { color: yellow; }
    h1 { color: green; } (a) green (b) yellow (c) orange (d) red
19. 19.🌈 In #00009d the blue part is the hex number 9d. What is it as a normal number?
20. 20.🖌️ How big is the text, in px?
    h2 {
      text-align: center;
      font-size: 32px;
      background-color: yellow;
      color: green;
    }
21. 21.True or false: JavaScript makes headings and lists. (a) True (b) False
22. 22.🌈 Which hex code is blue? (a) #ffff00 (b) #ff0000 (c) #000000 (d) #0000ff
23. 23.🎯 Which CSS selector matches this element?
    <span class="big" id="top">Hello</span> (a) .top (b) span (c) #intro (d) .red
24. 24.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 16px;
      }
    }
25. 25.What does color do? (a) colours behind the text (b) makes letters bigger (c) centres a heading (d) sets the letter colour
26. 26.📦 In the box model, which part is the text or picture? (a) padding (b) border (c) content (d) margin
27. 27.📱 max-width: 600px applies when the screen is ___. (a) exactly 1000px (b) 600px or narrower (c) turned off (d) 600px or wider
28. 28.🖌️ Where does the text sit on its line?
    h2 {
      background-color: red;
      text-align: center;
      color: orange;
      font-size: 40px;
    } (a) in the middle (b) on the left (c) on the right
29. 29.🖌️ Where does the text sit on its line?
    h2 {
      color: red;
      text-align: right;
      font-size: 32px;
      background-color: green;
    } (a) on the left (b) on the right (c) in the middle
30. 30.What does justify-content: center do? (a) packs boxes at the end (b) puts boxes in the middle (c) packs boxes at the start (d) equal gaps, none at ends
31. 31.🖌️ What colour are the letters?
    h2 {
      text-align: center;
      font-size: 36px;
      color: red;
      background-color: orange;
    } (a) red (b) blue (c) orange
32. 32.🎯 Which element does the selector .note style? (a) <h1 class="note"> (b) <h1 id="note"> (c) <h2 class="red"> (d) <h1 class="big">
33. 33.⚖️ Which selector is the strongest? (a) an element selector (b) a class selector (c) an id selector
34. 34.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 20px;
      }
    }
35. 35.Which of these does HTML do? (a) counts down a timer (b) sets colours and fonts (c) shows a pop-up message (d) makes headings and lists
36. 36.📱 Which tag helps phones show a page at the right size? (a) the viewport meta tag (b) the hr tag (c) the title tag (d) the br tag
37. 37.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 280px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 100px wide (no margins).
38. 38.🎯 Can many elements share the same class? (a) Yes (b) No
39. 39.🎨 One CSS file can style how many pages? (a) only one word (b) many pages (c) no pages (d) only one image
40. 40.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 240px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 50px wide (no margins).

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