CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 745 · 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.📦 In the box model, which part is the gap to other boxes? (a) content (b) border (c) padding (d) margin
2. 2.🖌️ Which CSS property makes letters bigger? (a) color (b) font-size (c) background-color (d) text-align
3. 3.True or false: HTML makes a form box. (a) True (b) False
4. 4.💪 How much empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 240px;
     justify-content: flex-start;
   }
   Inside are 3 boxes, each 60px wide (no margins).
5. 5.✍️ Which property is set to 10px in this rule?
   .note {
     font-style: italic;
     margin: 10px;
   } (a) margin (b) padding (c) 10px (d) font-weight
6. 6.🌈 Which colour of light is strongest in rgb(33, 214, 78)? (a) green (b) blue (c) red
7. 7.⚖️ What colour is the text of this element?
   <p class="note" id="intro">Hi</p>
   CSS:
   #intro { color: purple; }
   #intro { color: green; } (a) green (b) purple (c) yellow (d) orange
8. 8.🖌️ Which CSS property picks the font style? (a) color (b) background-color (c) text-align (d) font-family
9. 9.🧩 Which language rounds box corners? (a) JavaScript (b) HTML (c) CSS
10. 10.✍️ Which sign ends each CSS declaration? (a) . (b) : (c) , (d) ;
11. 11.🖌️ What colour is behind the letters?
    p {
      font-size: 28px;
      text-align: center;
      color: blue;
      background-color: orange;
    } (a) blue (b) orange (c) red
12. 12.💪 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).
13. 13.✍️ How many declarations (property: value pairs) are in this rule?
    p {
      text-align: center;
      font-weight: bold;
      background-color: yellow;
      color: red;
    }
14. 14.🧩 Which language changes the text size? (a) JavaScript (b) HTML (c) CSS
15. 15.✍️ Which sign goes between a property and its value? (a) ; (b) : (c) = (d) -
16. 16.⚖️ Two rules with the same selector set a colour. Which one wins? (a) neither (b) the later one (c) the first one (d) the shorter one
17. 17.📱 The screen is 1100px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 18px;
      }
    } (a) Yes (b) No
18. 18.🖌️ Which CSS property makes the text bold? (a) color (b) text-align (c) font-family (d) font-weight
19. 19.⚖️ What colour is the text of this element?
    <p class="note" id="hero">Hi</p>
    CSS:
    #hero { color: red; }
    p { color: yellow; } (a) red (b) green (c) blue (d) yellow
20. 20.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 20px;
      }
    }
21. 21.📱 The screen is 414px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 14px;
      }
    } (a) No (b) Yes
22. 22.True or false: body is an id selector. (a) True (b) False
23. 23.🌈 In #rrggbb, which colour do the first two digits give? (a) green (b) black (c) red (d) blue
24. 24.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 250px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 50px wide (no margins).
25. 25.🌈 Which colour of light is strongest in rgb(30, 185, 33)? (a) green (b) red (c) blue
26. 26.🖌️ What colour is behind the letters?
    li {
      color: red;
      text-align: right;
      background-color: orange;
      font-size: 20px;
    } (a) blue (b) red (c) orange
27. 27.🎯 Which CSS selector matches this element?
    <h1 class="big" id="hero">Hello</h1> (a) h2 (b) #hero (c) .red (d) #big
28. 28.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 410px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 100px wide (no margins).
29. 29.True or false: margin is space outside the border. (a) True (b) False
30. 30.📦 In the box model, which part is the gap round content? (a) border (b) padding (c) content (d) margin
31. 31.🎯 What kind of selector is img? (a) an id selector (b) an element selector (c) a class selector
32. 32.What does justify-content: space-between do? (a) packs boxes at the start (b) equal gaps, none at ends (c) packs boxes at the end (d) puts boxes in the middle
33. 33.📱 Which tag helps phones show a page at the right size? (a) the hr tag (b) the br tag (c) the title tag (d) the viewport meta tag
34. 34.🌈 Which colour is #ff0000? (a) bright green (b) cyan (c) yellow (d) red
35. 35.🔍 Which is the odd one out? (a) puts a picture on a page (b) makes headings and lists (c) rounds box corners (d) makes a form box
36. 36.📱 What does a media query check? (a) the time of day (b) the battery level (c) the screen width (d) the page title
37. 37.📱 max-width: 600px applies when the screen is ___. (a) exactly 1000px (b) turned off (c) 600px or narrower (d) 600px or wider
38. 38.📦 In the box model, which part is the text or picture? (a) margin (b) border (c) content (d) padding
39. 39.🖌️ What colour is behind the letters?
    p {
      text-align: left;
      color: yellow;
      font-size: 36px;
      background-color: orange;
    } (a) orange (b) yellow (c) blue
40. 40.⚖️ What colour is the text of this element?
    <h2 class="star" id="intro">Hi</h2>
    CSS:
    #intro { color: orange; }
    #intro { color: green; } (a) orange (b) green (c) blue (d) purple

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