CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 291 · 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 hex code is blue? (a) #ff0000 (b) #ff00ff (c) #ffff00 (d) #0000ff
2. 2.📱 The screen is 700px wide. Does the rule inside @media apply?
   p {
     font-size: 24px;
   }
   @media (min-width: 768px) {
     p {
       font-size: 32px;
     }
   } (a) No (b) Yes
3. 3.📱 The screen is 1366px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 20px;
   }
   @media (min-width: 600px) {
     p {
       font-size: 26px;
     }
   }
4. 4.⚖️ What colour is the text of this element?
   <h2 class="red" id="intro">Hi</h2>
   CSS:
   #intro { color: green; }
   h2 { color: orange; }
   .red { color: black; } (a) yellow (b) green (c) black (d) orange
5. 5.💪 How much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 360px;
     justify-content: center;
   }
   Inside are 2 boxes, each 100px wide (no margins).
6. 6.Which of these does CSS do? (a) reacts to a button click (b) checks a quiz answer (c) sets colours and fonts (d) makes a form box
7. 7.🧩 Which language makes a form box? (a) JavaScript (b) CSS (c) HTML
8. 8.⚖️ What colour is the text of this element?
   <h1 class="box" id="top">Hi</h1>
   CSS:
   .box { color: blue; }
   h1 { color: yellow; }
   #top { color: black; } (a) blue (b) black (c) yellow (d) red
9. 9.🖌️ Where does the text sit on its line?
   h2 {
     background-color: yellow;
     text-align: center;
     font-size: 20px;
     color: green;
   } (a) in the middle (b) on the left (c) on the right
10. 10.🖌️ Where does the text sit on its line?
    h2 {
      font-size: 24px;
      text-align: center;
      background-color: orange;
      color: white;
    } (a) in the middle (b) on the right (c) on the left
11. 11.📱 max-width: 600px applies when the screen is ___. (a) 600px or wider (b) exactly 1000px (c) turned off (d) 600px or narrower
12. 12.📱 The screen is 700px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 18px;
      }
    } (a) No (b) Yes
13. 13.🌈 Which hex code is cyan? (a) #00ff00 (b) #0000ff (c) #00ffff (d) #ff0000
14. 14.💪 Which flexbox property sets space between boxes? (a) flex-direction (b) gap (c) justify-content (d) align-items
15. 15.🎯 What kind of selector is #top? (a) an id selector (b) an element selector (c) a class selector
16. 16.🎯 Which CSS selector matches this element?
    <span class="star" id="intro">Hello</span> (a) p (b) #intro (c) #star (d) #main
17. 17.🖌️ What colour are the letters?
    h1 {
      color: green;
      background-color: orange;
      font-size: 40px;
      text-align: right;
    } (a) yellow (b) green (c) orange
18. 18.⚖️ What colour is the text of this element?
    <p class="big" id="top">Hi</p>
    CSS:
    #top { color: red; }
    #top { color: green; } (a) black (b) green (c) red (d) white
19. 19.Which of these does HTML do? (a) counts down a timer (b) shows a pop-up message (c) lays out the page (d) makes a link
20. 20.⚖️ Which selector is the weakest? (a) an id selector (b) a class selector (c) an element selector
21. 21.📱 Which tag helps phones show a page at the right size? (a) the br tag (b) the viewport meta tag (c) the title tag (d) the hr tag
22. 22.⚖️ What colour is the text of this element?
    <h2 class="note" id="logo">Hi</h2>
    CSS:
    h2 { color: red; }
    #logo { color: white; }
    .note { color: yellow; } (a) red (b) yellow (c) black (d) white
23. 23.💪 Which justify-content value packs boxes at the end? (a) space-between (b) flex-end (c) center (d) flex-start
24. 24.📱 What does a media query check? (a) the time of day (b) the screen width (c) the battery level (d) the page title
25. 25.What does justify-content: space-between do? (a) puts boxes in the middle (b) packs boxes at the start (c) packs boxes at the end (d) equal gaps, none at ends
26. 26.⚖️ What colour is the text of this element?
    <h2 class="star" id="logo">Hi</h2>
    CSS:
    .star { color: green; }
    #logo { color: red; } (a) green (b) purple (c) white (d) red
27. 27.✍️ What value is given to font-style in this rule?
    body {
      font-style: italic;
      width: 300px;
      background-color: yellow;
    } (a) red (b) 20px (c) italic (d) font-style
28. 28.True or false: margin is a solid or dotted edge. (a) True (b) False
29. 29.📱 Responsive design means a page ___. (a) fits every screen (b) never changes (c) has no pictures (d) is only for laptops
30. 30.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 250px;
      padding: 25px;
      border: 5px solid black;
      margin: 10px;
    }
31. 31.✍️ How many declarations (property: value pairs) are in this rule?
    #top {
      font-weight: bold;
      border: 2px solid;
      text-align: center;
      width: 300px;
    }
32. 32.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (max-width: 1024px) {
      p {
        font-size: 12px;
      }
    }
33. 33.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 18px;
      }
    }
34. 34.🎯 Which sign starts a class selector? (a) @ (b) & (c) # (d) .
35. 35.🔍 Which is the odd one out? (a) adds space around boxes (b) sets colours and fonts (c) puts a picture on a page (d) rounds box corners
36. 36.🎯 Can many elements share the same class? (a) Yes (b) No
37. 37.✍️ What is the selector in this CSS rule?
    li {
      width: 300px;
      text-align: center;
      background-color: yellow;
      border: 2px solid;
    } (a) li (b) width (c) body (d) center
38. 38.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 18px;
      }
    }
39. 39.📱 The screen is 820px wide. Does the rule inside @media apply?
    p {
      font-size: 24px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 18px;
      }
    } (a) Yes (b) No
40. 40.🎯 What kind of selector is #main? (a) an id selector (b) an element selector (c) a class selector

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