CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 932 · 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 CSS property centres a heading? (a) color (b) text-align (c) font-family (d) background-color
2. 2.True or false: padding is the gap round content. (a) True (b) False
3. 3.🎯 Which CSS selector matches this element?
   <div class="big" id="top">Hello</div> (a) #intro (b) span (c) .red (d) .big
4. 4.💪 How much empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 130px;
     justify-content: flex-start;
   }
   Inside are 2 boxes, each 60px wide (no margins).
5. 5.🌈 In #000027 the blue part is the hex number 27. What is it as a normal number?
6. 6.What does justify-content: center do? (a) equal gaps, none at ends (b) puts boxes in the middle (c) packs boxes at the end (d) packs boxes at the start
7. 7.🌈 Which colour is rgb(255, 0, 255)? (a) blue (b) black (c) white (d) magenta
8. 8.Which of these is the border? (a) a solid or dotted edge (b) space inside the border (c) the text or picture (d) the gap to other boxes
9. 9.✍️ How many declarations (property: value pairs) are in this rule?
   p {
     border: 2px solid;
     font-weight: bold;
     color: red;
   }
10. 10.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 370px;
      justify-content: space-between;
    }
    Inside are 4 boxes, each 40px wide (no margins).
11. 11.🖌️ How big is the text, in px?
    h1 {
      color: red;
      text-align: center;
      background-color: green;
      font-size: 12px;
    }
12. 12.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 300px;
      padding: 5px;
      border: 1px solid black;
      margin: 15px;
    }
13. 13.⚖️ 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
14. 14.True or false: .big is an id selector. (a) False (b) True
15. 15.🧩 Which language counts down a timer? (a) HTML (b) CSS (c) JavaScript
16. 16.🎯 Which element does the selector .note style? (a) <div class="note"> (b) <div class="big"> (c) <div id="note"> (d) <span class="red">
17. 17.⚖️ What colour is the text of this element?
    <p class="star" id="end">Hi</p>
    CSS:
    p { color: blue; }
    .star { color: white; } (a) green (b) white (c) blue (d) red
18. 18.🌈 In #340000 the red part is the hex number 34. What is it as a normal number?
19. 19.🌈 Which hex code is blue? (a) #00ffff (b) #0000ff (c) #ffffff (d) #000000
20. 20.⚖️ What colour is the text of this element?
    <h2 class="note" id="logo">Hi</h2>
    CSS:
    h2 { color: orange; }
    #logo { color: blue; } (a) orange (b) purple (c) green (d) blue
21. 21.✍️ In color: blue; which part is the property? (a) ; (b) color (c) blue (d) :
22. 22.🔍 Which is the odd one out? (a) makes a form box (b) adds space around boxes (c) sets colours and fonts (d) rounds box corners
23. 23.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 170px;
      padding: 30px;
      border: 1px solid black;
      margin: 10px;
    }
24. 24.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 240px;
      padding: 15px;
      border: 4px solid black;
      margin: 20px;
    }
25. 25.⚖️ What colour is the text of this element?
    <h2 class="star" id="top">Hi</h2>
    CSS:
    h2 { color: white; }
    .star { color: red; }
    #top { color: blue; } (a) purple (b) blue (c) red (d) white
26. 26.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 230px;
      justify-content: space-between;
    }
    Inside are 2 boxes, each 100px wide (no margins).
27. 27.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 210px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 40px wide (no margins).
28. 28.⚖️ What colour is the text of this element?
    <h2 class="note" id="end">Hi</h2>
    CSS:
    h2 { color: yellow; }
    h2 { color: black; } (a) yellow (b) red (c) blue (d) black
29. 29.🧩 Which language puts a picture on a page? (a) HTML (b) JavaScript (c) CSS
30. 30.⚖️ What colour is the text of this element?
    <h1 class="big" id="end">Hi</h1>
    CSS:
    .big { color: red; }
    h1 { color: green; } (a) red (b) green (c) purple (d) white
31. 31.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (min-width: 600px) {
      p {
        font-size: 26px;
      }
    }
32. 32.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 210px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 50px wide (no margins).
33. 33.🌈 Which colour of light is strongest in rgb(91, 43, 169)? (a) red (b) green (c) blue
34. 34.🧩 Which language makes headings and lists? (a) CSS (b) JavaScript (c) HTML
35. 35.📱 Responsive design means a page ___. (a) never changes (b) fits every screen (c) is only for laptops (d) has no pictures
36. 36.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 180px;
      justify-content: center;
    }
    Inside are 2 boxes, each 50px wide (no margins).
37. 37.💪 Which flexbox property picks row or column? (a) gap (b) flex-direction (c) align-items (d) justify-content
38. 38.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="intro">Hello</h2> (a) #menu (b) .menu (c) .note (d) #main
39. 39.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 18px;
      }
    }
40. 40.✍️ CSS declarations go inside which brackets? (a) [ ] (b) ( ) (c) { } (d) < >

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