CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 851 · 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 empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 230px;
     justify-content: flex-start;
   }
   Inside are 4 boxes, each 40px wide (no margins).
2. 2.📦 How much space across (px) does this box take in all, margin included?
   .box {
     width: 290px;
     padding: 10px;
     border: 1px solid black;
     margin: 20px;
   }
3. 3.💪 How much empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 220px;
     justify-content: flex-start;
   }
   Inside are 2 boxes, each 80px wide (no margins).
4. 4.📦 In the box model, which part is space outside the border? (a) padding (b) border (c) margin (d) content
5. 5.🎯 Which CSS selector matches this element?
   <li class="box" id="hero">Hello</li> (a) #box (b) #top (c) div (d) li
6. 6.✍️ Which property is set to red in this rule?
   .note {
     border: 2px solid;
     width: 300px;
     padding: 8px;
     color: red;
   } (a) red (b) font-size (c) color (d) text-align
7. 7.🌈 In #0000ed the blue part is the hex number ed. What is it as a normal number?
8. 8.✍️ How many declarations (property: value pairs) are in this rule?
   li {
     background-color: yellow;
     text-align: center;
   }
9. 9.Which of these is the border? (a) the gap to other boxes (b) the line round the box (c) space outside the border (d) the gap round content
10. 10.🖌️ What colour is behind the letters?
    h2 {
      font-size: 28px;
      text-align: center;
      background-color: orange;
      color: green;
    } (a) purple (b) green (c) orange
11. 11.🎯 Which sign starts an id selector? (a) @ (b) # (c) & (d) .
12. 12.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 50px;
      padding: 15px;
      border: 5px solid black;
      margin: 15px;
    }
13. 13.📱 The screen is 1100px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 8px;
      }
    } (a) No (b) Yes
14. 14.🌈 In #0000e2 the blue part is the hex number e2. What is it as a normal number?
15. 15.📦 In the box model, which part is the line round the box? (a) content (b) margin (c) padding (d) border
16. 16.📦 In the box model, which part is the gap round content? (a) margin (b) border (c) content (d) padding
17. 17.💪 How wide (px) is each gap between two boxes?
    .row {
      display: flex;
      width: 220px;
      justify-content: space-between;
    }
    Inside are 3 boxes, each 40px wide (no margins).
18. 18.True or false: padding is space outside the border. (a) False (b) True
19. 19.⚖️ What colour is the text of this element?
    <p class="note" id="hero">Hi</p>
    CSS:
    .note { color: red; }
    .note { color: orange; } (a) red (b) black (c) orange (d) yellow
20. 20.True or false: the border is a solid or dotted edge. (a) False (b) True
21. 21.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 180px;
      padding: 25px;
      border: 2px solid black;
      margin: 10px;
    }
22. 22.🌈 Which colour is #0000ff? (a) red (b) yellow (c) blue (d) magenta
23. 23.True or false: CSS gives the page structure. (a) True (b) False
24. 24.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 250px;
      padding: 15px;
      border: 4px solid black;
      margin: 20px;
    }
25. 25.⚖️ Which selector is the strongest? (a) an id selector (b) an element selector (c) a class selector
26. 26.🌈 Which colour is #ffffff? (a) yellow (b) red (c) cyan (d) white
27. 27.💪 Which justify-content value puts boxes in the middle? (a) flex-start (b) flex-end (c) space-between (d) center
28. 28.🖌️ Which CSS property makes the text bold? (a) background-color (b) color (c) font-weight (d) font-family
29. 29.⚖️ What colour is the text of this element?
    <h1 class="red" id="top">Hi</h1>
    CSS:
    .red { color: red; }
    .red { color: purple; } (a) purple (b) yellow (c) red (d) green
30. 30.True or false: margin is the gap to other boxes. (a) True (b) False
31. 31.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 270px;
      padding: 20px;
      border: 3px solid black;
      margin: 5px;
    }
32. 32.What does font-family do? (a) centres a heading (b) makes letters bigger (c) colours behind the text (d) picks the font style
33. 33.🎯 Which element does the selector h2 style? (a) <li> (b) <h2 class="box"> (c) <span id="main"> (d) <div class="box">
34. 34.✍️ How does a CSS comment start? (a) // (b) # (c) /* (d) <!--
35. 35.🌈 In #00e100 the green part is the hex number e1. What is it as a normal number?
36. 36.🔍 Which is the odd one out? (a) reacts to a button click (b) puts a picture on a page (c) shows a pop-up message (d) changes the page live
37. 37.✍️ How many declarations (property: value pairs) are in this rule?
    body {
      width: 300px;
      font-weight: bold;
      font-style: italic;
    }
38. 38.True or false: JavaScript counts down a timer. (a) True (b) False
39. 39.📱 The screen is 1366px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 6px;
      }
    }
40. 40.🌈 In #rrggbb, which colour do the first two digits give? (a) green (b) blue (c) red (d) black

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