CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 275 · 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 space inside the border? (a) content (b) margin (c) padding (d) border
2. 2.✍️ Which property is set to 300px in this rule?
   .box {
     width: 300px;
     text-align: center;
     padding: 8px;
   } (a) color (b) 300px (c) font-style (d) width
3. 3.🌈 In #rrggbb, which colour do the first two digits give? (a) green (b) black (c) red (d) blue
4. 4.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the later one (b) the first one (c) neither (d) the shorter one
5. 5.True or false: margin is space outside the border. (a) False (b) True
6. 6.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 12px;
   }
   @media (min-width: 480px) {
     p {
       font-size: 18px;
     }
   }
7. 7.💪 Which justify-content value packs boxes at the start? (a) center (b) flex-end (c) space-between (d) flex-start
8. 8.💪 How much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 460px;
     justify-content: flex-end;
   }
   Inside are 4 boxes, each 100px wide (no margins).
9. 9.✍️ What is the selector in this CSS rule?
   p {
     text-align: center;
     background-color: yellow;
     border: 2px solid;
     font-size: 20px;
   } (a) yellow (b) .note (c) text-align (d) p
10. 10.🖌️ What colour is behind the letters?
    h1 {
      text-align: center;
      background-color: blue;
      font-size: 24px;
      color: white;
    } (a) purple (b) white (c) blue
11. 11.✍️ What value is given to color in this rule?
    .note {
      font-weight: bold;
      color: red;
    } (a) color (b) 20px (c) red (d) center
12. 12.✍️ Which sign ends each CSS declaration? (a) : (b) ; (c) . (d) ,
13. 13.🎨 A CSS file usually ends with which extension? (a) .png (b) .js (c) .html (d) .css
14. 14.🎯 Which element does the selector h1 style? (a) <h2> (b) <li class="box"> (c) <div id="intro"> (d) <h1 class="box">
15. 15.⚖️ What colour is the text of this element?
    <h2 class="box" id="hero">Hi</h2>
    CSS:
    h2 { color: orange; }
    #hero { color: black; }
    .box { color: green; } (a) green (b) orange (c) black (d) blue
16. 16.🎯 How many elements on a page should have the same id? (a) 1 (b) 5 (c) 2 (d) any number
17. 17.🎨 Which tag connects an outside CSS file? (a) <img> (b) <css> (c) <link> (d) <a>
18. 18.🎨 One CSS file can style how many pages? (a) many pages (b) only one word (c) no pages (d) only one image
19. 19.⚖️ Which selector is the weakest? (a) an element selector (b) a class selector (c) an id selector
20. 20.🌈 In #070000 the red part is the hex number 07. What is it as a normal number?
21. 21.💪 Which justify-content value equal gaps, none at ends? (a) space-between (b) flex-end (c) flex-start (d) center
22. 22.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (min-width: 768px) {
      p {
        font-size: 20px;
      }
    }
23. 23.🎯 Which CSS selector matches this element?
    <h2 class="box" id="main">Hello</h2> (a) #logo (b) h2 (c) .main (d) li
24. 24.📱 min-width: 800px applies when the screen is ___. (a) turned off (b) exactly 100px (c) 800px or wider (d) 800px or narrower
25. 25.🖌️ What colour is behind the letters?
    h2 {
      font-size: 36px;
      color: yellow;
      text-align: left;
      background-color: red;
    } (a) red (b) yellow (c) blue
26. 26.🔍 Which is the odd one out? (a) gives the page structure (b) changes the text size (c) makes headings and lists (d) makes a link
27. 27.⚖️ What colour is the text of this element?
    <p class="note" id="logo">Hi</p>
    CSS:
    #logo { color: yellow; }
    .note { color: green; }
    p { color: purple; } (a) yellow (b) red (c) green (d) purple
28. 28.True or false: HTML makes a form box. (a) True (b) False
29. 29.🌈 Which colour is rgb(0, 255, 0)? (a) bright green (b) black (c) red (d) cyan
30. 30.🌈 Which colour of light is strongest in rgb(116, 237, 108)? (a) blue (b) green (c) red
31. 31.🌈 Which colour is #ff00ff? (a) bright green (b) blue (c) magenta (d) red
32. 32.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 420px;
      justify-content: flex-end;
    }
    Inside are 4 boxes, each 100px wide (no margins).
33. 33.⚖️ What colour is the text of this element?
    <p class="menu" id="top">Hi</p>
    CSS:
    #top { color: red; }
    #top { color: blue; } (a) black (b) green (c) blue (d) red
34. 34.⚖️ What colour is the text of this element?
    <h1 class="big" id="top">Hi</h1>
    CSS:
    .big { color: red; }
    h1 { color: purple; }
    #top { color: black; } (a) red (b) black (c) blue (d) purple
35. 35.🌈 In #aa0000 the red part is the hex number aa. What is it as a normal number?
36. 36.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 8px;
      }
    }
37. 37.⚖️ What colour is the text of this element?
    <h1 class="menu" id="top">Hi</h1>
    CSS:
    h1 { color: red; }
    h1 { color: blue; } (a) orange (b) blue (c) red (d) yellow
38. 38.🌈 Which hex code is magenta? (a) #00ff00 (b) #00ffff (c) #ff00ff (d) #000000
39. 39.📱 What does a media query check? (a) the battery level (b) the screen width (c) the page title (d) the time of day
40. 40.🖌️ What colour is behind the letters?
    h2 {
      background-color: green;
      text-align: left;
      font-size: 24px;
      color: red;
    } (a) red (b) blue (c) green

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