CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 198 · 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 selector matches this element?
   <p class="box" id="main">Hello</p> (a) p (b) #box (c) .star (d) .main
2. 2.📱 min-width: 800px applies when the screen is ___. (a) 800px or wider (b) 800px or narrower (c) turned off (d) exactly 100px
3. 3.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 16px;
   }
   @media (min-width: 480px) {
     p {
       font-size: 18px;
     }
   }
4. 4.🎯 Which element does the selector #end style? (a) <span id="hero"> (b) <span id="end"> (c) <p class="big"> (d) <span class="end">
5. 5.⚖️ What colour is the text of this element?
   <p class="menu" id="main">Hi</p>
   CSS:
   .menu { color: black; }
   #main { color: red; } (a) purple (b) green (c) black (d) red
6. 6.💪 How much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 350px;
     justify-content: flex-end;
   }
   Inside are 4 boxes, each 80px wide (no margins).
7. 7.💪 How much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 360px;
     justify-content: center;
   }
   Inside are 3 boxes, each 80px wide (no margins).
8. 8.🔍 Which is the odd one out? (a) puts a picture on a page (b) makes a link (c) changes the page live (d) gives the page structure
9. 9.🌈 In #0000f8 the blue part is the hex number f8. What is it as a normal number?
10. 10.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 400px;
      justify-content: center;
    }
    Inside are 3 boxes, each 80px wide (no margins).
11. 11.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 140px;
      padding: 30px;
      border: 1px solid black;
      margin: 10px;
    }
12. 12.📦 In the box model, which part is the text or picture? (a) padding (b) margin (c) border (d) content
13. 13.⚖️ What colour is the text of this element?
    <h2 class="box" id="top">Hi</h2>
    CSS:
    h2 { color: green; }
    h2 { color: red; } (a) red (b) green (c) orange (d) black
14. 14.True or false: the content is the line round the box. (a) True (b) False
15. 15.✍️ What is the selector in this CSS rule?
    h1 {
      width: 300px;
      border: 2px solid;
      font-weight: bold;
      font-style: italic;
    } (a) width (b) 2px solid (c) p (d) h1
16. 16.⚖️ What colour is the text of this element?
    <h2 class="note" id="top">Hi</h2>
    CSS:
    .note { color: red; }
    h2 { color: green; } (a) orange (b) green (c) red (d) yellow
17. 17.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 390px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 80px wide (no margins).
18. 18.🎯 Which element does the selector div style? (a) <span> (b) <div class="red"> (c) <p class="red"> (d) <h1 id="intro">
19. 19.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 10px;
      }
    }
20. 20.🔍 Which is the odd one out? (a) makes a form box (b) counts down a timer (c) changes the page live (d) reacts to a button click
21. 21.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 240px;
      justify-content: flex-start;
    }
    Inside are 4 boxes, each 50px wide (no margins).
22. 22.📱 The screen is 540px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (min-width: 768px) {
      p {
        font-size: 16px;
      }
    } (a) No (b) Yes
23. 23.✍️ What is the selector in this CSS rule?
    #top {
      font-style: italic;
      color: red;
      background-color: yellow;
    } (a) li (b) #top (c) red (d) font-style
24. 24.🖌️ Where does the text sit on its line?
    h1 {
      text-align: left;
      background-color: orange;
      font-size: 40px;
      color: blue;
    } (a) on the right (b) on the left (c) in the middle
25. 25.🌈 Which colour is #00ff00? (a) bright green (b) white (c) red (d) yellow
26. 26.🖌️ What colour is behind the letters?
    li {
      font-size: 24px;
      background-color: white;
      color: black;
      text-align: right;
    } (a) purple (b) black (c) white
27. 27.🎯 How many elements on a page should have the same id? (a) 2 (b) any number (c) 5 (d) 1
28. 28.🔍 Which is the odd one out? (a) makes a link (b) makes headings and lists (c) gives the page structure (d) shows a pop-up message
29. 29.📦 In the box model, which part is the line round the box? (a) border (b) padding (c) content (d) margin
30. 30.💪 Which flexbox property lines boxes up across? (a) flex-direction (b) gap (c) display: flex (d) align-items
31. 31.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 190px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 50px wide (no margins).
32. 32.True or false: #hero is an id selector. (a) False (b) True
33. 33.What does font-size do? (a) sets the letter colour (b) makes letters bigger (c) colours behind the text (d) picks the font style
34. 34.🎯 Can many elements share the same class? (a) No (b) Yes
35. 35.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (min-width: 600px) {
      p {
        font-size: 22px;
      }
    }
36. 36.True or false: JavaScript gives the page structure. (a) False (b) True
37. 37.📱 Which tag helps phones show a page at the right size? (a) the br tag (b) the title tag (c) the hr tag (d) the viewport meta tag
38. 38.🌈 In #rrggbb, which colour do the last two digits give? (a) red (b) white (c) blue (d) green
39. 39.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 200px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 60px wide (no margins).
40. 40.🎯 Which CSS selector matches this element?
    <li class="note" id="end">Hello</li> (a) .big (b) .note (c) #hero (d) div

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