CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 743 · 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.📦 How much space top to bottom (px) does this box take in all, margin included?
   .box {
     height: 130px;
     padding: 15px;
     border: 5px solid black;
     margin: 5px;
   }
2. 2.Which of these is padding? (a) space outside the border (b) space inside the border (c) the text or picture (d) the line round the box
3. 3.🎯 Which CSS selector matches this element?
   <li class="note" id="hero">Hello</li> (a) .big (b) div (c) #top (d) li
4. 4.True or false: CSS sets colours and fonts. (a) False (b) True
5. 5.📦 In the box model, which part is the gap to other boxes? (a) padding (b) content (c) border (d) margin
6. 6.📦 In the box model, which part is a solid or dotted edge? (a) border (b) margin (c) content (d) padding
7. 7.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 12px;
   }
   @media (min-width: 768px) {
     p {
       font-size: 20px;
     }
   }
8. 8.🧩 Which language lays out the page? (a) HTML (b) JavaScript (c) CSS
9. 9.🎯 Can many elements share the same class? (a) Yes (b) No
10. 10.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 10px;
      }
    }
11. 11.⚖️ What colour is the text of this element?
    <p class="big" id="intro">Hi</p>
    CSS:
    p { color: white; }
    .big { color: purple; }
    #intro { color: red; } (a) black (b) purple (c) red (d) white
12. 12.⚖️ Which selector is the weakest? (a) a class selector (b) an id selector (c) an element selector
13. 13.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 120px;
      padding: 20px;
      border: 1px solid black;
      margin: 10px;
    }
14. 14.⚖️ What colour is the text of this element?
    <p class="big" id="main">Hi</p>
    CSS:
    .big { color: red; }
    #main { color: white; } (a) red (b) white (c) blue (d) green
15. 15.💪 Which flexbox property spaces boxes along a row? (a) display: flex (b) flex-direction (c) gap (d) justify-content
16. 16.✍️ What is the selector in this CSS rule?
    #top {
      background-color: yellow;
      border: 2px solid;
      padding: 8px;
    } (a) background-color (b) #top (c) 2px solid (d) li
17. 17.💪 Which justify-content value packs boxes at the end? (a) flex-end (b) flex-start (c) center (d) space-between
18. 18.✍️ Which property is set to yellow in this rule?
    li {
      padding: 8px;
      background-color: yellow;
      font-style: italic;
      width: 300px;
    } (a) margin (b) background-color (c) yellow (d) padding
19. 19.📱 The screen is 375px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 8px;
      }
    } (a) No (b) Yes
20. 20.True or false: the border is the gap round content. (a) False (b) True
21. 21.True or false: .menu is an id selector. (a) True (b) False
22. 22.🌈 Which hex code is yellow? (a) #000000 (b) #ffff00 (c) #0000ff (d) #ffffff
23. 23.✍️ How does a CSS comment start? (a) # (b) <!-- (c) // (d) /*
24. 24.🎯 Which CSS selector matches this element?
    <span class="star" id="top">Hello</span> (a) p (b) .menu (c) .top (d) #top
25. 25.⚖️ What colour is the text of this element?
    <p class="note" id="intro">Hi</p>
    CSS:
    #intro { color: purple; }
    #intro { color: yellow; } (a) white (b) yellow (c) purple (d) blue
26. 26.⚖️ What colour is the text of this element?
    <h1 class="note" id="top">Hi</h1>
    CSS:
    #top { color: red; }
    h1 { color: yellow; }
    .note { color: green; } (a) yellow (b) white (c) green (d) red
27. 27.True or false: HTML makes a form box. (a) False (b) True
28. 28.🌈 Which colour is #ff0000? (a) yellow (b) blue (c) red (d) bright green
29. 29.💪 Which flexbox property lines boxes up across? (a) align-items (b) gap (c) display: flex (d) flex-direction
30. 30.🔍 Which is the odd one out? (a) gives the page structure (b) makes a link (c) reacts to a button click (d) puts a picture on a page
31. 31.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 280px;
      padding: 5px;
      border: 1px solid black;
      margin: 15px;
    }
32. 32.📱 The screen is 700px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 16px;
      }
    } (a) No (b) Yes
33. 33.🌈 Which hex code is bright green? (a) #ff0000 (b) #0000ff (c) #00ff00 (d) #ffff00
34. 34.📱 Which tag helps phones show a page at the right size? (a) the hr tag (b) the title tag (c) the br tag (d) the viewport meta tag
35. 35.✍️ Which sign goes between a property and its value? (a) - (b) = (c) : (d) ;
36. 36.✍️ How many declarations (property: value pairs) are in this rule?
    p {
      font-weight: bold;
    }
37. 37.🎨 A CSS file usually ends with which extension? (a) .js (b) .html (c) .css (d) .png
38. 38.True or false: body is a class selector. (a) True (b) False
39. 39.🖌️ What colour are the letters?
    h1 {
      font-size: 28px;
      background-color: green;
      text-align: right;
      color: blue;
    } (a) red (b) green (c) blue
40. 40.True or false: CSS makes a form box. (a) True (b) False

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