CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 671 · 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.🎨 A CSS file usually ends with which extension? (a) .css (b) .png (c) .html (d) .js
2. 2.🔍 Which is the odd one out? (a) puts a picture on a page (b) makes headings and lists (c) shows a pop-up message (d) makes a form box
3. 3.💪 How wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 150px;
     justify-content: space-between;
   }
   Inside are 2 boxes, each 60px wide (no margins).
4. 4.⚖️ What colour is the text of this element?
   <h2 class="red" id="logo">Hi</h2>
   CSS:
   h2 { color: green; }
   h2 { color: orange; } (a) purple (b) blue (c) orange (d) green
5. 5.✍️ Which sign goes between a property and its value? (a) = (b) - (c) : (d) ;
6. 6.🖌️ What colour are the letters?
   p {
     color: red;
     font-size: 32px;
     background-color: black;
     text-align: right;
   } (a) red (b) yellow (c) black
7. 7.📦 How much space top to bottom (px) does this box take in all, margin included?
   .box {
     height: 120px;
     padding: 20px;
     border: 2px solid black;
     margin: 15px;
   }
8. 8.🌈 In #00ec00 the green part is the hex number ec. What is it as a normal number?
9. 9.True or false: CSS makes a link. (a) False (b) True
10. 10.📱 The screen is 1100px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 24px;
      }
    } (a) Yes (b) No
11. 11.✍️ In color: blue; which part is the value? (a) : (b) blue (c) ; (d) color
12. 12.🌈 Which colour is #ffff00? (a) yellow (b) blue (c) red (d) cyan
13. 13.⚖️ Which selector is the weakest? (a) an element selector (b) a class selector (c) an id selector
14. 14.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 170px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 40px wide (no margins).
15. 15.True or false: body is an element selector. (a) False (b) True
16. 16.✍️ What is the selector in this CSS rule?
    .note {
      text-align: center;
      font-weight: bold;
      font-size: 20px;
      margin: 10px;
    } (a) bold (b) text-align (c) #top (d) .note
17. 17.🎯 Which CSS selector matches this element?
    <div class="box" id="hero">Hello</div> (a) .hero (b) .star (c) span (d) div
18. 18.📦 In the box model, which part is the text or picture? (a) padding (b) border (c) content (d) margin
19. 19.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 160px;
      padding: 5px;
      border: 4px solid black;
      margin: 10px;
    }
20. 20.What does font-family do? (a) makes letters bigger (b) picks the font style (c) colours behind the text (d) makes the text bold
21. 21.📱 The screen is 414px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 14px;
      }
    } (a) No (b) Yes
22. 22.What does font-size do? (a) centres a heading (b) makes letters bigger (c) picks the font style (d) makes the text bold
23. 23.🖌️ What colour is behind the letters?
    p {
      background-color: red;
      text-align: center;
      color: purple;
      font-size: 28px;
    } (a) purple (b) red (c) blue
24. 24.🌈 In #3a0000 the red part is the hex number 3a. What is it as a normal number?
25. 25.What does color do? (a) centres a heading (b) makes the text bold (c) sets the letter colour (d) makes letters bigger
26. 26.📱 What does a media query check? (a) the battery level (b) the time of day (c) the page title (d) the screen width
27. 27.What does font-weight do? (a) makes the text bold (b) centres a heading (c) makes letters bigger (d) sets the letter colour
28. 28.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (min-width: 768px) {
      p {
        font-size: 22px;
      }
    }
29. 29.🎯 Which element does the selector #main style? (a) <h1 id="logo"> (b) <h1 id="main"> (c) <h2 class="red"> (d) <h1 class="main">
30. 30.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 180px;
      justify-content: center;
    }
    Inside are 2 boxes, each 50px wide (no margins).
31. 31.What does justify-content: space-between 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
32. 32.✍️ What value is given to color in this rule?
    h1 {
      font-weight: bold;
      color: red;
    } (a) center (b) 20px (c) red (d) color
33. 33.Which of these does JavaScript do? (a) gives the page structure (b) makes headings and lists (c) reacts to a button click (d) lays out the page
34. 34.🎯 What kind of selector is .star? (a) an element selector (b) a class selector (c) an id selector
35. 35.True or false: p is a class selector. (a) True (b) False
36. 36.📱 Which tag helps phones show a page at the right size? (a) the br tag (b) the title tag (c) the viewport meta tag (d) the hr tag
37. 37.✍️ Which sign ends each CSS declaration? (a) ; (b) : (c) . (d) ,
38. 38.What does justify-content: flex-start 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
39. 39.⚖️ What colour is the text of this element?
    <p class="box" id="hero">Hi</p>
    CSS:
    p { color: green; }
    #hero { color: blue; }
    .box { color: purple; } (a) orange (b) purple (c) blue (d) green
40. 40.✍️ What is the selector in this CSS rule?
    p {
      font-weight: bold;
      width: 300px;
      border: 2px solid;
      background-color: yellow;
    } (a) p (b) font-weight (c) 300px (d) .note

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