CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 13 · 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 flexbox property lines boxes up across? (a) align-items (b) display: flex (c) justify-content (d) flex-direction
2. 2.🖌️ Which CSS property picks the font style? (a) font-family (b) font-size (c) text-align (d) background-color
3. 3.✍️ In color: blue; which part is the value? (a) : (b) color (c) ; (d) blue
4. 4.✍️ What is the selector in this CSS rule?
   .box {
     text-align: center;
     color: red;
   } (a) red (b) .box (c) text-align (d) h2
5. 5.⚖️ What colour is the text of this element?
   <h1 class="star" id="logo">Hi</h1>
   CSS:
   .star { color: purple; }
   .star { color: black; } (a) green (b) red (c) black (d) purple
6. 6.🖌️ Where does the text sit on its line?
   li {
     color: orange;
     text-align: left;
     background-color: white;
     font-size: 36px;
   } (a) in the middle (b) on the right (c) on the left
7. 7.✍️ What is the selector in this CSS rule?
   #top {
     width: 300px;
     text-align: center;
     font-weight: bold;
     color: red;
   } (a) width (b) center (c) #top (d) li
8. 8.🔍 Which is the odd one out? (a) makes a form box (b) makes headings and lists (c) gives the page structure (d) checks a quiz answer
9. 9.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 24px;
   }
   @media (max-width: 480px) {
     p {
       font-size: 22px;
     }
   }
10. 10.Which of these does HTML do? (a) rounds box corners (b) changes the page live (c) makes a link (d) adds space around boxes
11. 11.✍️ What is the selector in this CSS rule?
    body {
      background-color: yellow;
      border: 2px solid;
      text-align: center;
    } (a) background-color (b) .box (c) body (d) 2px solid
12. 12.🖌️ How big is the text, in px?
    li {
      color: white;
      text-align: left;
      font-size: 12px;
      background-color: black;
    }
13. 13.📱 What does a media query check? (a) the page title (b) the screen width (c) the battery level (d) the time of day
14. 14.True or false: #logo is an id selector. (a) True (b) False
15. 15.🎯 Which element does the selector #main style? (a) <h1 class="main"> (b) <h2 class="star"> (c) <h1 id="logo"> (d) <h1 id="main">
16. 16.🌈 Which colour is rgb(0, 0, 255)? (a) black (b) blue (c) red (d) white
17. 17.🎯 Can many elements share the same class? (a) No (b) Yes
18. 18.Which of these does JavaScript do? (a) changes the page live (b) gives the page structure (c) makes a link (d) rounds box corners
19. 19.📱 The screen is 414px wide. Does the rule inside @media apply?
    p {
      font-size: 20px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 18px;
      }
    } (a) No (b) Yes
20. 20.📦 In the box model, which part is a solid or dotted edge? (a) padding (b) border (c) margin (d) content
21. 21.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the first one (b) neither (c) the later one (d) the shorter one
22. 22.✍️ What value is given to padding in this rule?
    h1 {
      font-size: 20px;
      padding: 8px;
    } (a) 8px (b) bold (c) padding (d) 2px solid
23. 23.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 220px;
      padding: 10px;
      border: 3px solid black;
      margin: 15px;
    }
24. 24.✍️ What is the selector in this CSS rule?
    h1 {
      font-style: italic;
      background-color: yellow;
      color: red;
      font-size: 20px;
    } (a) p (b) h1 (c) font-style (d) yellow
25. 25.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 140px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 40px wide (no margins).
26. 26.📱 The screen is 540px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 12px;
      }
    } (a) Yes (b) No
27. 27.🧩 Which language adds space around boxes? (a) HTML (b) CSS (c) JavaScript
28. 28.🧩 Which language gives the page structure? (a) CSS (b) HTML (c) JavaScript
29. 29.🌈 Which colour is #00ff00? (a) black (b) white (c) bright green (d) magenta
30. 30.What does justify-content: center do? (a) packs boxes at the start (b) puts boxes in the middle (c) equal gaps, none at ends (d) packs boxes at the end
31. 31.🖌️ What colour are the letters?
    h2 {
      font-size: 28px;
      color: yellow;
      text-align: center;
      background-color: orange;
    } (a) yellow (b) orange (c) black
32. 32.🖌️ What colour is behind the letters?
    h1 {
      text-align: left;
      font-size: 40px;
      color: orange;
      background-color: purple;
    } (a) orange (b) green (c) purple
33. 33.Which of these does CSS do? (a) adds space around boxes (b) shows a pop-up message (c) puts a picture on a page (d) reacts to a button click
34. 34.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 200px;
      justify-content: center;
    }
    Inside are 3 boxes, each 60px wide (no margins).
35. 35.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 2 (b) 4 (c) 6 (d) 3
36. 36.🎯 Which element does the selector h2 style? (a) <div class="box"> (b) <h2 class="box"> (c) <span id="hero"> (d) <li>
37. 37.🌈 In #rrggbb, which colour do the last two digits give? (a) blue (b) white (c) green (d) red
38. 38.🎯 How many elements on a page should have the same id? (a) any number (b) 5 (c) 1 (d) 2
39. 39.🎯 Which element does the selector p style? (a) <li id="hero"> (b) <h1> (c) <p class="star"> (d) <h2 class="star">
40. 40.Which of these does JavaScript do? (a) changes the text size (b) shows a pop-up message (c) rounds box corners (d) makes headings and lists

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