CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 771 · 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.🖌️ What colour are the letters?
   p {
     text-align: left;
     font-size: 20px;
     background-color: red;
     color: orange;
   } (a) red (b) orange (c) black
2. 2.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 12px;
   }
   @media (max-width: 768px) {
     p {
       font-size: 10px;
     }
   }
3. 3.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the first one (b) neither (c) the shorter one (d) the later one
4. 4.🌈 Hex digits go 0 to 9, then A to which letter? (a) G (b) J (c) Z (d) F
5. 5.✍️ In color: blue; which part is the value? (a) : (b) ; (c) blue (d) color
6. 6.⚖️ What colour is the text of this element?
   <p class="box" id="intro">Hi</p>
   CSS:
   p { color: green; }
   p { color: red; } (a) purple (b) red (c) green (d) blue
7. 7.⚖️ What colour is the text of this element?
   <h2 class="big" id="intro">Hi</h2>
   CSS:
   h2 { color: white; }
   h2 { color: red; } (a) yellow (b) blue (c) white (d) red
8. 8.📦 How much space top to bottom (px) does this box take in all, margin included?
   .box {
     height: 120px;
     padding: 5px;
     border: 5px solid black;
     margin: 0px;
   }
9. 9.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 12px;
   }
   @media (max-width: 1024px) {
     p {
       font-size: 8px;
     }
   }
10. 10.💪 Which flexbox property spaces boxes along a row? (a) flex-direction (b) justify-content (c) gap (d) display: flex
11. 11.🌈 Which colour is #ffffff? (a) white (b) magenta (c) black (d) blue
12. 12.✍️ In color: blue; which part is the property? (a) : (b) ; (c) color (d) blue
13. 13.📱 max-width: 600px applies when the screen is ___. (a) 600px or wider (b) exactly 1000px (c) 600px or narrower (d) turned off
14. 14.🎯 Which sign starts a class selector? (a) @ (b) & (c) . (d) #
15. 15.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 110px;
      padding: 25px;
      border: 5px solid black;
      margin: 15px;
    }
16. 16.🖌️ Where does the text sit on its line?
    h1 {
      background-color: purple;
      text-align: right;
      font-size: 32px;
      color: red;
    } (a) on the right (b) on the left (c) in the middle
17. 17.🌈 Which colour is #ff0000? (a) blue (b) black (c) red (d) yellow
18. 18.🖌️ Where does the text sit on its line?
    p {
      font-size: 16px;
      background-color: yellow;
      text-align: left;
      color: purple;
    } (a) on the right (b) in the middle (c) on the left
19. 19.🎯 Which CSS selector matches this element?
    <div class="big" id="intro">Hello</div> (a) .intro (b) #intro (c) .red (d) span
20. 20.🎯 Which element does the selector #hero style? (a) <h1 id="top"> (b) <h1 class="hero"> (c) <h2 class="menu"> (d) <h1 id="hero">
21. 21.🎯 How many elements on a page should have the same id? (a) 5 (b) 2 (c) any number (d) 1
22. 22.📦 In the box model, which part is the line round the box? (a) padding (b) margin (c) content (d) border
23. 23.🌈 Which hex code is yellow? (a) #000000 (b) #00ffff (c) #ff0000 (d) #ffff00
24. 24.True or false: .note is an element selector. (a) False (b) True
25. 25.🖌️ How big is the text, in px?
    p {
      text-align: right;
      color: white;
      font-size: 12px;
      background-color: red;
    }
26. 26.🌈 In #rrggbb, which colour do the first two digits give? (a) black (b) blue (c) red (d) green
27. 27.🎯 Which element does the selector #intro style? (a) <li id="main"> (b) <li id="intro"> (c) <div class="note"> (d) <li class="intro">
28. 28.🧩 Which language makes a link? (a) JavaScript (b) HTML (c) CSS
29. 29.Which of these does JavaScript do? (a) lays out the page (b) puts a picture on a page (c) makes a form box (d) reacts to a button click
30. 30.🖌️ What colour are the letters?
    h1 {
      font-size: 40px;
      background-color: white;
      color: purple;
      text-align: center;
    } (a) purple (b) red (c) white
31. 31.⚖️ What colour is the text of this element?
    <h2 class="big" id="hero">Hi</h2>
    CSS:
    h2 { color: yellow; }
    h2 { color: white; } (a) blue (b) yellow (c) black (d) white
32. 32.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 4 (b) 6 (c) 2 (d) 3
33. 33.🌈 Which colour is #00ff00? (a) white (b) black (c) magenta (d) bright green
34. 34.🎯 What kind of selector is img? (a) an id selector (b) a class selector (c) an element selector
35. 35.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 220px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 50px wide (no margins).
36. 36.What does font-weight do? (a) sets the letter colour (b) makes the text bold (c) makes letters bigger (d) colours behind the text
37. 37.True or false: #logo is a class selector. (a) True (b) False
38. 38.📱 The screen is 320px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 30px;
      }
    } (a) Yes (b) No
39. 39.✍️ How many declarations (property: value pairs) are in this rule?
    .note {
      width: 300px;
    }
40. 40.✍️ What value is given to margin in this rule?
    .box {
      border: 2px solid;
      margin: 10px;
    } (a) margin (b) 8px (c) bold (d) 10px

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