CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 917 · 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.⚖️ Two rules with the same selector set a colour. Which one wins? (a) neither (b) the shorter one (c) the later one (d) the first one
2. 2.What does justify-content: flex-start do? (a) equal gaps, none at ends (b) packs boxes at the start (c) packs boxes at the end (d) puts boxes in the middle
3. 3.⚖️ Which selector is the weakest? (a) a class selector (b) an element selector (c) an id selector
4. 4.🌈 In #0000dc the blue part is the hex number dc. What is it as a normal number?
5. 5.📦 How much space across (px) does this box take in all, margin included?
   .box {
     width: 80px;
     padding: 10px;
     border: 1px solid black;
     margin: 5px;
   }
6. 6.📦 In the box model, which part is the line round the box? (a) padding (b) margin (c) content (d) border
7. 7.📱 min-width: 800px applies when the screen is ___. (a) 800px or wider (b) 800px or narrower (c) turned off (d) exactly 100px
8. 8.✍️ How many declarations (property: value pairs) are in this rule?
   .note {
     background-color: yellow;
     border: 2px solid;
     font-style: italic;
   }
9. 9.🖌️ What colour is behind the letters?
   h1 {
     color: blue;
     text-align: center;
     font-size: 40px;
     background-color: green;
   } (a) yellow (b) blue (c) green
10. 10.🌈 Which hex code is magenta? (a) #ffffff (b) #00ffff (c) #ff0000 (d) #ff00ff
11. 11.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 4 (b) 3 (c) 6 (d) 2
12. 12.⚖️ What colour is the text of this element?
    <p class="menu" id="logo">Hi</p>
    CSS:
    #logo { color: orange; }
    p { color: blue; }
    .menu { color: white; } (a) black (b) blue (c) white (d) orange
13. 13.✍️ What is the selector in this CSS rule?
    p {
      color: red;
      padding: 8px;
    } (a) .note (b) 8px (c) color (d) p
14. 14.🎨 What does CSS stand for? (a) Computer Style Sheets (b) Cascading Style Sheets (c) Creative Sheet System (d) Colourful Site Styles
15. 15.⚖️ What colour is the text of this element?
    <p class="box" id="intro">Hi</p>
    CSS:
    p { color: black; }
    #intro { color: orange; } (a) orange (b) black (c) red (d) purple
16. 16.📱 max-width: 600px applies when the screen is ___. (a) turned off (b) 600px or wider (c) exactly 1000px (d) 600px or narrower
17. 17.🖌️ What colour are the letters?
    h1 {
      background-color: orange;
      color: red;
      text-align: left;
      font-size: 24px;
    } (a) orange (b) yellow (c) red
18. 18.⚖️ What colour is the text of this element?
    <h2 class="big" id="end">Hi</h2>
    CSS:
    #end { color: orange; }
    #end { color: blue; } (a) orange (b) purple (c) red (d) blue
19. 19.📦 In the box model, which part is the gap to other boxes? (a) margin (b) content (c) border (d) padding
20. 20.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 18px;
      }
    }
21. 21.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 170px;
      padding: 30px;
      border: 2px solid black;
      margin: 5px;
    }
22. 22.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 150px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 60px wide (no margins).
23. 23.🌈 Hex digits go 0 to 9, then A to which letter? (a) G (b) F (c) J (d) Z
24. 24.🔍 Which is the odd one out? (a) shows a pop-up message (b) checks a quiz answer (c) changes the page live (d) puts a picture on a page
25. 25.✍️ What value is given to padding in this rule?
    p {
      padding: 8px;
      border: 2px solid;
      font-style: italic;
    } (a) bold (b) padding (c) 2px solid (d) 8px
26. 26.Which of these does JavaScript do? (a) lays out the page (b) reacts to a button click (c) sets colours and fonts (d) adds space around boxes
27. 27.🌈 Which hex code is black? (a) #00ff00 (b) #0000ff (c) #00ffff (d) #000000
28. 28.🎨 One CSS file can style how many pages? (a) only one word (b) only one image (c) many pages (d) no pages
29. 29.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (min-width: 600px) {
      p {
        font-size: 16px;
      }
    }
30. 30.Which of these does HTML do? (a) reacts to a button click (b) adds space around boxes (c) makes a link (d) rounds box corners
31. 31.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 60px;
      padding: 15px;
      border: 4px solid black;
      margin: 10px;
    }
32. 32.🎯 Which element does the selector h2 style? (a) <span id="hero"> (b) <li> (c) <h2 class="note"> (d) <div class="note">
33. 33.What does justify-content: flex-end do? (a) packs boxes at the end (b) packs boxes at the start (c) equal gaps, none at ends (d) puts boxes in the middle
34. 34.⚖️ What colour is the text of this element?
    <h2 class="menu" id="top">Hi</h2>
    CSS:
    #top { color: green; }
    #top { color: purple; } (a) orange (b) white (c) purple (d) green
35. 35.🌈 In #001d00 the green part is the hex number 1d. What is it as a normal number?
36. 36.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 14px;
      }
    }
37. 37.✍️ What value is given to color in this rule?
    h1 {
      background-color: yellow;
      color: red;
      padding: 8px;
    } (a) color (b) center (c) 20px (d) red
38. 38.📱 What does a media query check? (a) the battery level (b) the time of day (c) the screen width (d) the page title
39. 39.✍️ What is the selector in this CSS rule?
    h2 {
      margin: 10px;
      width: 300px;
      font-style: italic;
    } (a) margin (b) h1 (c) 300px (d) h2
40. 40.🌈 In #610000 the red part is the hex number 61. What is it as a normal number?

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