CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 217 · 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 is the text of this element?
   <h1 class="red" id="hero">Hi</h1>
   CSS:
   #hero { color: red; }
   .red { color: blue; }
   h1 { color: white; } (a) blue (b) orange (c) red (d) white
2. 2.✍️ What is the selector in this CSS rule?
   p {
     padding: 8px;
     font-weight: bold;
     background-color: yellow;
   } (a) p (b) .note (c) bold (d) padding
3. 3.⚖️ What colour is the text of this element?
   <p class="box" id="main">Hi</p>
   CSS:
   p { color: black; }
   .box { color: blue; } (a) orange (b) blue (c) black (d) red
4. 4.🧩 Which language changes the page live? (a) HTML (b) JavaScript (c) CSS
5. 5.🎯 Which CSS selector matches this element?
   <p class="box" id="top">Hello</p> (a) .top (b) #intro (c) h1 (d) .box
6. 6.What does justify-content: space-between do? (a) packs boxes at the start (b) puts boxes in the middle (c) packs boxes at the end (d) equal gaps, none at ends
7. 7.True or false: JavaScript reacts to a button click. (a) True (b) False
8. 8.True or false: img is an id selector. (a) True (b) False
9. 9.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 12px;
   }
   @media (min-width: 600px) {
     p {
       font-size: 14px;
     }
   }
10. 10.Which of these is the content? (a) the gap to other boxes (b) the text or picture (c) the line round the box (d) space inside the border
11. 11.⚖️ What colour is the text of this element?
    <h1 class="big" id="end">Hi</h1>
    CSS:
    h1 { color: blue; }
    h1 { color: red; } (a) white (b) blue (c) black (d) red
12. 12.True or false: .card is an id selector. (a) True (b) False
13. 13.🌈 Which colour of light is strongest in rgb(228, 70, 128)? (a) blue (b) green (c) red
14. 14.🖌️ Where does the text sit on its line?
    h1 {
      font-size: 12px;
      color: red;
      background-color: purple;
      text-align: center;
    } (a) on the left (b) in the middle (c) on the right
15. 15.🖌️ Which CSS property picks the font style? (a) text-align (b) font-size (c) font-weight (d) font-family
16. 16.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 140px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 50px wide (no margins).
17. 17.⚖️ What colour is the text of this element?
    <p class="star" id="hero">Hi</p>
    CSS:
    .star { color: red; }
    .star { color: yellow; } (a) red (b) black (c) yellow (d) white
18. 18.What does justify-content: flex-start do? (a) puts boxes in the middle (b) packs boxes at the start (c) equal gaps, none at ends (d) packs boxes at the end
19. 19.🎯 What kind of selector is .menu? (a) a class selector (b) an id selector (c) an element selector
20. 20.🧩 Which language changes the text size? (a) JavaScript (b) HTML (c) CSS
21. 21.🌈 Which hex code is blue? (a) #000000 (b) #00ff00 (c) #ff00ff (d) #0000ff
22. 22.True or false: .big is an id selector. (a) False (b) True
23. 23.✍️ How does a CSS comment start? (a) // (b) <!-- (c) # (d) /*
24. 24.✍️ How many declarations (property: value pairs) are in this rule?
    #top {
      font-weight: bold;
      color: red;
    }
25. 25.📱 max-width: 600px applies when the screen is ___. (a) turned off (b) exactly 1000px (c) 600px or wider (d) 600px or narrower
26. 26.Which of these does CSS do? (a) adds space around boxes (b) makes a link (c) reacts to a button click (d) gives the page structure
27. 27.✍️ How many declarations (property: value pairs) are in this rule?
    li {
      font-size: 20px;
      background-color: yellow;
    }
28. 28.🖌️ Where does the text sit on its line?
    h2 {
      text-align: center;
      background-color: red;
      color: yellow;
      font-size: 36px;
    } (a) on the left (b) in the middle (c) on the right
29. 29.📱 The screen is 320px wide. Does the rule inside @media apply?
    p {
      font-size: 20px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 14px;
      }
    } (a) No (b) Yes
30. 30.✍️ CSS declarations go inside which brackets? (a) ( ) (b) < > (c) { } (d) [ ]
31. 31.🌈 Which colour is rgb(255, 0, 255)? (a) yellow (b) magenta (c) blue (d) red
32. 32.✍️ In color: blue; which part is the value? (a) color (b) blue (c) ; (d) :
33. 33.🌈 What is the biggest number one colour can have in rgb()? (a) 99 (b) 255 (c) 1000 (d) 100
34. 34.🎯 Which sign starts a class selector? (a) @ (b) . (c) & (d) #
35. 35.⚖️ What colour is the text of this element?
    <p class="note" id="intro">Hi</p>
    CSS:
    .note { color: black; }
    .note { color: blue; } (a) blue (b) black (c) yellow (d) purple
36. 36.💪 Which flexbox property sets space between boxes? (a) gap (b) align-items (c) display: flex (d) justify-content
37. 37.What does text-align do? (a) colours behind the text (b) picks the font style (c) makes the text bold (d) centres a heading
38. 38.🌈 Which colour is rgb(255, 0, 0)? (a) magenta (b) red (c) white (d) black
39. 39.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 160px;
      padding: 30px;
      border: 4px solid black;
      margin: 10px;
    }
40. 40.✍️ How many declarations (property: value pairs) are in this rule?
    #top {
      font-style: italic;
      font-weight: bold;
      padding: 8px;
      font-size: 20px;
    }

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