CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 676 · 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 element does the selector #top style? (a) <p id="intro"> (b) <p id="top"> (c) <p class="top"> (d) <h1 class="red">
2. 2.🖌️ Which CSS property makes letters bigger? (a) text-align (b) font-weight (c) background-color (d) font-size
3. 3.📱 The screen is 700px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 20px;
   }
   @media (max-width: 480px) {
     p {
       font-size: 18px;
     }
   }
4. 4.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 16px;
   }
   @media (max-width: 480px) {
     p {
       font-size: 14px;
     }
   }
5. 5.🎨 Which tag connects an outside CSS file? (a) <link> (b) <a> (c) <img> (d) <css>
6. 6.Which of these does CSS do? (a) rounds box corners (b) counts down a timer (c) puts a picture on a page (d) makes headings and lists
7. 7.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 20px;
   }
   @media (max-width: 768px) {
     p {
       font-size: 14px;
     }
   }
8. 8.🖌️ What colour are the letters?
   h1 {
     background-color: black;
     color: green;
     text-align: center;
     font-size: 28px;
   } (a) white (b) black (c) green
9. 9.🌈 Which colour is #ff00ff? (a) cyan (b) red (c) magenta (d) blue
10. 10.🌈 Which colour is rgb(255, 255, 255)? (a) magenta (b) yellow (c) cyan (d) white
11. 11.📦 In the box model, which part is the gap round content? (a) border (b) padding (c) content (d) margin
12. 12.⚖️ What colour is the text of this element?
    <h2 class="note" id="end">Hi</h2>
    CSS:
    #end { color: purple; }
    h2 { color: orange; }
    .note { color: black; } (a) purple (b) orange (c) blue (d) black
13. 13.✍️ How many declarations (property: value pairs) are in this rule?
    p {
      width: 300px;
    }
14. 14.⚖️ What colour is the text of this element?
    <h1 class="box" id="top">Hi</h1>
    CSS:
    #top { color: black; }
    .box { color: green; }
    h1 { color: orange; } (a) black (b) green (c) orange (d) blue
15. 15.✍️ What is the selector in this CSS rule?
    .box {
      width: 300px;
      background-color: yellow;
    } (a) yellow (b) width (c) .box (d) h2
16. 16.📱 max-width: 600px applies when the screen is ___. (a) 600px or wider (b) turned off (c) 600px or narrower (d) exactly 1000px
17. 17.🎨 A CSS file usually ends with which extension? (a) .png (b) .html (c) .js (d) .css
18. 18.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 120px;
      padding: 5px;
      border: 4px solid black;
      margin: 15px;
    }
19. 19.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the shorter one (b) the first one (c) the later one (d) neither
20. 20.⚖️ What colour is the text of this element?
    <p class="note" id="end">Hi</p>
    CSS:
    #end { color: yellow; }
    .note { color: blue; } (a) yellow (b) purple (c) orange (d) blue
21. 21.What does justify-content: space-between do? (a) packs boxes at the start (b) equal gaps, none at ends (c) puts boxes in the middle (d) packs boxes at the end
22. 22.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 90px;
      padding: 15px;
      border: 1px solid black;
      margin: 15px;
    }
23. 23.📱 The screen is 414px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 20px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 18px;
      }
    }
24. 24.True or false: HTML makes a link. (a) False (b) True
25. 25.💪 Which flexbox property spaces boxes along a row? (a) gap (b) align-items (c) display: flex (d) justify-content
26. 26.🌈 Which colour is #ff0000? (a) magenta (b) cyan (c) black (d) red
27. 27.✍️ How many declarations (property: value pairs) are in this rule?
    h1 {
      text-align: center;
      color: red;
      width: 300px;
      margin: 10px;
    }
28. 28.💪 Which justify-content value packs boxes at the start? (a) space-between (b) center (c) flex-start (d) flex-end
29. 29.⚖️ What colour is the text of this element?
    <p class="big" id="end">Hi</p>
    CSS:
    p { color: black; }
    .big { color: blue; } (a) green (b) blue (c) black (d) yellow
30. 30.📦 How much space across (px) does this box take in all, margin included?
    .box {
      width: 210px;
      padding: 20px;
      border: 2px solid black;
      margin: 5px;
    }
31. 31.✍️ In color: blue; which part is the value? (a) : (b) color (c) ; (d) blue
32. 32.🖌️ What colour are the letters?
    li {
      background-color: green;
      font-size: 12px;
      text-align: left;
      color: white;
    } (a) green (b) white (c) purple
33. 33.🧩 Which language makes a form box? (a) HTML (b) JavaScript (c) CSS
34. 34.✍️ How many declarations (property: value pairs) are in this rule?
    li {
      text-align: center;
      padding: 8px;
      border: 2px solid;
      font-size: 20px;
    }
35. 35.🎯 Which CSS selector matches this element?
    <h1 class="note" id="hero">Hello</h1> (a) .big (b) .hero (c) #note (d) #hero
36. 36.📱 What does a media query check? (a) the screen width (b) the time of day (c) the page title (d) the battery level
37. 37.🎯 What kind of selector is img? (a) an id selector (b) a class selector (c) an element selector
38. 38.🧩 Which language makes headings and lists? (a) JavaScript (b) HTML (c) CSS
39. 39.⚖️ Which selector is the strongest? (a) a class selector (b) an id selector (c) an element selector
40. 40.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 110px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 40px wide (no margins).

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