CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 299 · 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 selector is the strongest? (a) an element selector (b) an id selector (c) a class selector
2. 2.📱 The screen is 414px wide. Does the rule inside @media apply?
   p {
     font-size: 12px;
   }
   @media (max-width: 600px) {
     p {
       font-size: 10px;
     }
   } (a) No (b) Yes
3. 3.🖌️ Where does the text sit on its line?
   li {
     color: green;
     text-align: right;
     background-color: red;
     font-size: 40px;
   } (a) on the right (b) in the middle (c) on the left
4. 4.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 12px;
   }
   @media (max-width: 768px) {
     p {
       font-size: 6px;
     }
   }
5. 5.🎯 Which CSS selector matches this element?
   <span class="menu" id="logo">Hello</span> (a) #logo (b) .note (c) p (d) .logo
6. 6.🎨 What does CSS stand for? (a) Cascading Style Sheets (b) Colourful Site Styles (c) Creative Sheet System (d) Computer Style Sheets
7. 7.🌈 Which hex code is black? (a) #000000 (b) #00ffff (c) #ff0000 (d) #ffff00
8. 8.📱 Which tag helps phones show a page at the right size? (a) the viewport meta tag (b) the hr tag (c) the br tag (d) the title tag
9. 9.⚖️ Which selector is the weakest? (a) a class selector (b) an id selector (c) an element selector
10. 10.⚖️ What colour is the text of this element?
    <p class="star" id="hero">Hi</p>
    CSS:
    .star { color: blue; }
    #hero { color: orange; } (a) blue (b) black (c) green (d) orange
11. 11.✍️ In color: blue; which part is the property? (a) color (b) ; (c) : (d) blue
12. 12.✍️ What is the selector in this CSS rule?
    li {
      font-size: 20px;
      font-weight: bold;
    } (a) body (b) li (c) bold (d) font-size
13. 13.🧩 Which language reacts to a button click? (a) CSS (b) JavaScript (c) HTML
14. 14.🌈 Which colour is rgb(255, 0, 0)? (a) yellow (b) black (c) bright green (d) red
15. 15.What does justify-content: space-between do? (a) puts boxes in the middle (b) equal gaps, none at ends (c) packs boxes at the end (d) packs boxes at the start
16. 16.🌈 Which colour is rgb(0, 0, 255)? (a) red (b) cyan (c) blue (d) magenta
17. 17.📱 The screen is 700px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (min-width: 1024px) {
      p {
        font-size: 24px;
      }
    } (a) No (b) Yes
18. 18.🖌️ Where does the text sit on its line?
    li {
      background-color: green;
      color: yellow;
      font-size: 32px;
      text-align: right;
    } (a) on the right (b) in the middle (c) on the left
19. 19.🌈 In #rrggbb, which colour do the first two digits give? (a) black (b) green (c) blue (d) red
20. 20.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 20px;
      }
    }
21. 21.💪 Which justify-content value equal gaps, none at ends? (a) center (b) flex-start (c) flex-end (d) space-between
22. 22.🌈 Which colour of light is strongest in rgb(137, 205, 123)? (a) green (b) blue (c) red
23. 23.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 12px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 10px;
      }
    }
24. 24.💪 Which flexbox property sets space between boxes? (a) gap (b) align-items (c) display: flex (d) flex-direction
25. 25.📦 In the box model, which part is space inside the border? (a) border (b) content (c) margin (d) padding
26. 26.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="logo">Hello</h2> (a) li (b) h2 (c) #menu (d) .note
27. 27.🎨 A CSS file usually ends with which extension? (a) .png (b) .css (c) .js (d) .html
28. 28.📱 The screen is 1100px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 20px;
      }
    }
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.True or false: img is an element selector. (a) True (b) False
31. 31.✍️ How many declarations (property: value pairs) are in this rule?
    h1 {
      margin: 10px;
      border: 2px solid;
      padding: 8px;
    }
32. 32.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 110px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 50px wide (no margins).
33. 33.What does background-color do? (a) sets the letter colour (b) makes the text bold (c) picks the font style (d) colours behind the text
34. 34.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 180px;
      justify-content: flex-end;
    }
    Inside are 2 boxes, each 80px wide (no margins).
35. 35.🌈 Hex digits go 0 to 9, then A to which letter? (a) J (b) Z (c) G (d) F
36. 36.Which of these is margin? (a) a solid or dotted edge (b) the text or picture (c) space inside the border (d) space outside the border
37. 37.🌈 Which colour is #ff0000? (a) red (b) cyan (c) blue (d) black
38. 38.🎯 Which CSS selector matches this element?
    <div class="red" id="intro">Hello</div> (a) span (b) div (c) #main (d) .box
39. 39.⚖️ What colour is the text of this element?
    <h1 class="note" id="hero">Hi</h1>
    CSS:
    h1 { color: yellow; }
    .note { color: black; } (a) red (b) white (c) black (d) yellow
40. 40.🌈 Which colour is rgb(0, 255, 255)? (a) white (b) magenta (c) yellow (d) cyan

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