CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 369 · 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 property is set to 10px in this rule?
   body {
     width: 300px;
     margin: 10px;
     padding: 8px;
     font-style: italic;
   } (a) 10px (b) padding (c) font-weight (d) margin
2. 2.⚖️ What colour is the text of this element?
   <h1 class="note" id="end">Hi</h1>
   CSS:
   h1 { color: orange; }
   .note { color: black; }
   #end { color: purple; } (a) red (b) purple (c) black (d) orange
3. 3.🎨 Which attribute adds CSS inside one tag? (a) style (b) alt (c) src (d) href
4. 4.💪 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 50px wide (no margins).
5. 5.🖌️ What colour are the letters?
   h2 {
     text-align: center;
     font-size: 40px;
     background-color: black;
     color: blue;
   } (a) black (b) orange (c) blue
6. 6.⚖️ What colour is the text of this element?
   <h1 class="box" id="logo">Hi</h1>
   CSS:
   #logo { color: white; }
   #logo { color: orange; } (a) green (b) white (c) purple (d) orange
7. 7.🌈 Which colour of light is strongest in rgb(91, 162, 9)? (a) red (b) blue (c) green
8. 8.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 16px;
   }
   @media (max-width: 1024px) {
     p {
       font-size: 12px;
     }
   }
9. 9.📦 How much space top to bottom (px) does this box take in all, margin included?
   .box {
     height: 180px;
     padding: 20px;
     border: 5px solid black;
     margin: 20px;
   }
10. 10.Which of these does JavaScript do? (a) adds space around boxes (b) makes a link (c) reacts to a button click (d) changes the text size
11. 11.✍️ How many declarations (property: value pairs) are in this rule?
    p {
      font-size: 20px;
    }
12. 12.🌈 Which colour is #ffffff? (a) red (b) white (c) blue (d) bright green
13. 13.🌈 In #001000 the green part is the hex number 10. What is it as a normal number?
14. 14.What does font-size do? (a) makes letters bigger (b) makes the text bold (c) colours behind the text (d) picks the font style
15. 15.📦 In the box model, which part is the gap to other boxes? (a) content (b) margin (c) padding (d) border
16. 16.🎯 What kind of selector is .star? (a) an id selector (b) an element selector (c) a class selector
17. 17.🖌️ How big is the text, in px?
    h1 {
      color: blue;
      font-size: 28px;
      background-color: green;
      text-align: left;
    }
18. 18.🖌️ What colour is behind the letters?
    p {
      text-align: left;
      background-color: yellow;
      color: blue;
      font-size: 24px;
    } (a) red (b) yellow (c) blue
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: 220px;
      padding: 25px;
      border: 3px solid black;
      margin: 10px;
    }
20. 20.🌈 Which colour is rgb(255, 0, 0)? (a) blue (b) bright green (c) red (d) magenta
21. 21.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 220px;
      justify-content: center;
    }
    Inside are 2 boxes, each 40px wide (no margins).
22. 22.⚖️ What colour is the text of this element?
    <h1 class="big" id="intro">Hi</h1>
    CSS:
    h1 { color: yellow; }
    h1 { color: blue; } (a) green (b) blue (c) yellow (d) black
23. 23.🖌️ Which CSS property colours behind the text? (a) font-size (b) color (c) background-color (d) font-weight
24. 24.🖌️ What colour are the letters?
    h1 {
      font-size: 32px;
      background-color: black;
      text-align: right;
      color: green;
    } (a) black (b) white (c) green
25. 25.🖌️ What colour is behind the letters?
    p {
      text-align: center;
      background-color: white;
      color: red;
      font-size: 20px;
    } (a) white (b) red (c) purple
26. 26.What does font-weight do? (a) makes the text bold (b) picks the font style (c) centres a heading (d) sets the letter colour
27. 27.💪 Which flexbox property picks row or column? (a) display: flex (b) flex-direction (c) gap (d) justify-content
28. 28.✍️ Which sign ends each CSS declaration? (a) , (b) : (c) . (d) ;
29. 29.💪 Which justify-content value packs boxes at the start? (a) flex-start (b) flex-end (c) space-between (d) center
30. 30.🌈 What is the biggest number one colour can have in rgb()? (a) 99 (b) 100 (c) 1000 (d) 255
31. 31.🌈 Which hex code is white? (a) #ffffff (b) #0000ff (c) #ffff00 (d) #ff0000
32. 32.🎯 Which sign starts an id selector? (a) # (b) @ (c) . (d) &
33. 33.🎯 Which CSS selector matches this element?
    <h2 class="big" id="main">Hello</h2> (a) .red (b) .big (c) li (d) #big
34. 34.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (min-width: 768px) {
      p {
        font-size: 26px;
      }
    }
35. 35.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 110px;
      padding: 10px;
      border: 2px solid black;
      margin: 0px;
    }
36. 36.🧩 Which language lays out the page? (a) CSS (b) JavaScript (c) HTML
37. 37.✍️ Which property is set to red in this rule?
    .box {
      margin: 10px;
      border: 2px solid;
      width: 300px;
      color: red;
    } (a) color (b) font-size (c) text-align (d) red
38. 38.⚖️ Which selector is the strongest? (a) a class selector (b) an element selector (c) an id selector
39. 39.🖌️ How big is the text, in px?
    li {
      text-align: left;
      font-size: 40px;
      color: orange;
      background-color: yellow;
    }
40. 40.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the first one (b) the later one (c) the shorter one (d) neither

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