CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 945 · 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 colour is rgb(255, 255, 255)? (a) cyan (b) yellow (c) white (d) red
2. 2.🧩 Which language makes headings and lists? (a) CSS (b) JavaScript (c) HTML
3. 3.What does justify-content: flex-start 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
4. 4.True or false: the border is the line round the box. (a) True (b) False
5. 5.🖌️ What colour are the letters?
   h1 {
     text-align: left;
     background-color: white;
     font-size: 40px;
     color: blue;
   } (a) white (b) black (c) blue
6. 6.⚖️ What colour is the text of this element?
   <h1 class="big" id="hero">Hi</h1>
   CSS:
   .big { color: green; }
   h1 { color: white; } (a) green (b) white (c) black (d) orange
7. 7.🔍 Which is the odd one out? (a) makes headings and lists (b) adds space around boxes (c) makes a form box (d) makes a link
8. 8.📦 How much space across (px) does this box take in all, margin included?
   .box {
     width: 130px;
     padding: 20px;
     border: 3px solid black;
     margin: 5px;
   }
9. 9.True or false: #hero is an element selector. (a) True (b) False
10. 10.✍️ In color: blue; which part is the value? (a) blue (b) color (c) ; (d) :
11. 11.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 160px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 40px wide (no margins).
12. 12.🖌️ How big is the text, in px?
    li {
      background-color: purple;
      text-align: left;
      color: orange;
      font-size: 32px;
    }
13. 13.📱 The screen is 700px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 26px;
      }
    } (a) No (b) Yes
14. 14.🎯 Which element does the selector li style? (a) <span class="menu"> (b) <li class="menu"> (c) <p id="top"> (d) <div>
15. 15.🌈 In #640000 the red part is the hex number 64. What is it as a normal number?
16. 16.True or false: .card is an id selector. (a) True (b) False
17. 17.📱 The screen is 1366px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (min-width: 600px) {
      p {
        font-size: 20px;
      }
    } (a) No (b) Yes
18. 18.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 18px;
      }
    }
19. 19.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 16px;
      }
    }
20. 20.✍️ What value is given to padding in this rule?
    li {
      text-align: center;
      color: red;
      border: 2px solid;
      padding: 8px;
    } (a) bold (b) 2px solid (c) padding (d) 8px
21. 21.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 10px;
      }
    }
22. 22.✍️ In color: blue; which part is the property? (a) blue (b) : (c) color (d) ;
23. 23.⚖️ What colour is the text of this element?
    <h2 class="star" id="logo">Hi</h2>
    CSS:
    h2 { color: blue; }
    h2 { color: purple; } (a) blue (b) purple (c) orange (d) yellow
24. 24.🎯 Which element does the selector #intro style? (a) <div id="main"> (b) <div class="intro"> (c) <span class="menu"> (d) <div id="intro">
25. 25.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 350px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 100px wide (no margins).
26. 26.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 50px;
      padding: 15px;
      border: 3px solid black;
      margin: 15px;
    }
27. 27.🎨 Which attribute adds CSS inside one tag? (a) alt (b) style (c) href (d) src
28. 28.💪 Which flexbox property picks row or column? (a) gap (b) display: flex (c) justify-content (d) flex-direction
29. 29.📱 What does a media query check? (a) the battery level (b) the screen width (c) the page title (d) the time of day
30. 30.📱 Which tag helps phones show a page at the right size? (a) the br tag (b) the viewport meta tag (c) the hr tag (d) the title tag
31. 31.True or false: HTML sets colours and fonts. (a) False (b) True
32. 32.✍️ Which sign ends each CSS declaration? (a) ; (b) , (c) . (d) :
33. 33.⚖️ What colour is the text of this element?
    <h2 class="note" id="logo">Hi</h2>
    CSS:
    #logo { color: white; }
    h2 { color: green; } (a) black (b) green (c) purple (d) white
34. 34.🧩 Which language rounds box corners? (a) CSS (b) JavaScript (c) HTML
35. 35.🎨 Which tag connects an outside CSS file? (a) <img> (b) <a> (c) <css> (d) <link>
36. 36.🌈 Which colour is #00ffff? (a) red (b) cyan (c) magenta (d) yellow
37. 37.Which of these does JavaScript do? (a) puts a picture on a page (b) changes the page live (c) sets colours and fonts (d) lays out the page
38. 38.🌈 Hex digits go 0 to 9, then A to which letter? (a) Z (b) F (c) J (d) G
39. 39.🎯 Which element does the selector .menu style? (a) <h2 class="big"> (b) <h1 class="menu"> (c) <h1 id="menu"> (d) <h1 class="note">
40. 40.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 240px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 50px wide (no margins).

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