CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 391 · 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.💪 How wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 380px;
     justify-content: space-between;
   }
   Inside are 4 boxes, each 80px wide (no margins).
2. 2.⚖️ What colour is the text of this element?
   <h1 class="big" id="logo">Hi</h1>
   CSS:
   h1 { color: purple; }
   #logo { color: orange; }
   .big { color: white; } (a) white (b) black (c) orange (d) purple
3. 3.True or false: CSS counts down a timer. (a) False (b) True
4. 4.🌈 Which colour is #0000ff? (a) red (b) blue (c) magenta (d) white
5. 5.✍️ What is the selector in this CSS rule?
   body {
     font-size: 20px;
     background-color: yellow;
   } (a) yellow (b) .box (c) font-size (d) body
6. 6.🔍 Which is the odd one out? (a) rounds box corners (b) makes headings and lists (c) gives the page structure (d) puts a picture on a page
7. 7.⚖️ What colour is the text of this element?
   <p class="note" id="top">Hi</p>
   CSS:
   p { color: orange; }
   p { color: yellow; } (a) yellow (b) green (c) blue (d) orange
8. 8.🧩 Which language changes the page live? (a) CSS (b) HTML (c) JavaScript
9. 9.💪 Which justify-content value puts boxes in the middle? (a) space-between (b) flex-start (c) flex-end (d) center
10. 10.What does justify-content: flex-end do? (a) puts boxes in the middle (b) equal gaps, none at ends (c) packs boxes at the start (d) packs boxes at the end
11. 11.🔍 Which is the odd one out? (a) checks a quiz answer (b) puts a picture on a page (c) counts down a timer (d) changes the page live
12. 12.🌈 Which colour is #ff0000? (a) bright green (b) cyan (c) red (d) blue
13. 13.🖌️ What colour are the letters?
    li {
      background-color: orange;
      font-size: 12px;
      color: black;
      text-align: right;
    } (a) orange (b) blue (c) black
14. 14.✍️ Which sign ends each CSS declaration? (a) , (b) ; (c) : (d) .
15. 15.📱 What does a media query check? (a) the time of day (b) the battery level (c) the page title (d) the screen width
16. 16.🎯 What kind of selector is .big? (a) a class selector (b) an id selector (c) an element selector
17. 17.⚖️ Which selector is the weakest? (a) an element selector (b) an id selector (c) a class selector
18. 18.📦 In the box model, which part is space inside the border? (a) padding (b) border (c) margin (d) content
19. 19.🎯 Which element does the selector #end style? (a) <h2 id="end"> (b) <h2 class="end"> (c) <li class="big"> (d) <h2 id="hero">
20. 20.📦 In the box model, which part is space outside the border? (a) padding (b) content (c) border (d) margin
21. 21.True or false: #hero is a class selector. (a) False (b) True
22. 22.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 100px;
      padding: 10px;
      border: 5px solid black;
      margin: 10px;
    }
23. 23.True or false: JavaScript adds space around boxes. (a) True (b) False
24. 24.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 6 (b) 4 (c) 3 (d) 2
25. 25.⚖️ What colour is the text of this element?
    <p class="box" id="hero">Hi</p>
    CSS:
    .box { color: white; }
    .box { color: black; } (a) blue (b) black (c) white (d) purple
26. 26.💪 Which flexbox property lines boxes up across? (a) display: flex (b) flex-direction (c) justify-content (d) align-items
27. 27.✍️ How many declarations (property: value pairs) are in this rule?
    body {
      margin: 10px;
      border: 2px solid;
    }
28. 28.🎯 Can many elements share the same class? (a) No (b) Yes
29. 29.🎯 Which element does the selector .box style? (a) <h2 class="box"> (b) <h2 class="star"> (c) <li class="menu"> (d) <h2 id="box">
30. 30.🎯 What kind of selector is .note? (a) a class selector (b) an element selector (c) an id selector
31. 31.🎯 Which element does the selector .box style? (a) <h1 class="menu"> (b) <p class="star"> (c) <p class="box"> (d) <p id="box">
32. 32.🔍 Which is the odd one out? (a) makes headings and lists (b) lays out the page (c) sets colours and fonts (d) changes the text size
33. 33.🖌️ What colour is behind the letters?
    h2 {
      text-align: center;
      color: purple;
      background-color: green;
      font-size: 12px;
    } (a) purple (b) red (c) green
34. 34.🖌️ Where does the text sit on its line?
    h1 {
      background-color: yellow;
      font-size: 16px;
      text-align: right;
      color: black;
    } (a) on the left (b) in the middle (c) on the right
35. 35.✍️ CSS declarations go inside which brackets? (a) { } (b) ( ) (c) [ ] (d) < >
36. 36.🌈 Hex digits go 0 to 9, then A to which letter? (a) Z (b) F (c) J (d) G
37. 37.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 200px;
      justify-content: center;
    }
    Inside are 3 boxes, each 40px wide (no margins).
38. 38.🔍 Which is the odd one out? (a) changes the page live (b) adds space around boxes (c) counts down a timer (d) checks a quiz answer
39. 39.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 500px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 80px wide (no margins).
40. 40.✍️ Which property is set to 20px in this rule?
    h2 {
      background-color: yellow;
      font-size: 20px;
    } (a) background-color (b) 20px (c) text-align (d) font-size

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