CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 502 · 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.💪 How wide (px) is each gap between two boxes?
   .row {
     display: flex;
     width: 270px;
     justify-content: space-between;
   }
   Inside are 4 boxes, each 60px wide (no margins).
2. 2.🎯 Can many elements share the same class? (a) Yes (b) No
3. 3.Which of these does HTML do? (a) puts a picture on a page (b) lays out the page (c) reacts to a button click (d) adds space around boxes
4. 4.📱 The screen is 820px wide. Does the rule inside @media apply?
   p {
     font-size: 20px;
   }
   @media (min-width: 480px) {
     p {
       font-size: 22px;
     }
   } (a) No (b) Yes
5. 5.🌈 Hex digits go 0 to 9, then A to which letter? (a) G (b) F (c) Z (d) J
6. 6.🎯 Which sign starts an id selector? (a) & (b) @ (c) . (d) #
7. 7.✍️ Which sign ends each CSS declaration? (a) : (b) , (c) ; (d) .
8. 8.🖌️ Where does the text sit on its line?
   h1 {
     font-size: 12px;
     background-color: orange;
     text-align: left;
     color: purple;
   } (a) on the left (b) in the middle (c) on the right
9. 9.What does justify-content: center do? (a) packs boxes at the end (b) puts boxes in the middle (c) equal gaps, none at ends (d) packs boxes at the start
10. 10.📱 What does a media query check? (a) the battery level (b) the page title (c) the time of day (d) the screen width
11. 11.📱 The screen is 375px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (max-width: 600px) {
      p {
        font-size: 12px;
      }
    }
12. 12.Which of these is the content? (a) the line round the box (b) the text or picture (c) a solid or dotted edge (d) space inside the border
13. 13.🖌️ How big is the text, in px?
    p {
      background-color: blue;
      color: green;
      text-align: right;
      font-size: 40px;
    }
14. 14.📱 The screen is 320px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 24px;
    }
    @media (max-width: 768px) {
      p {
        font-size: 22px;
      }
    }
15. 15.🖌️ What colour is behind the letters?
    h2 {
      background-color: orange;
      text-align: center;
      font-size: 20px;
      color: yellow;
    } (a) white (b) orange (c) yellow
16. 16.What does justify-content: flex-start do? (a) packs boxes at the start (b) packs boxes at the end (c) equal gaps, none at ends (d) puts boxes in the middle
17. 17.🖌️ How big is the text, in px?
    h2 {
      background-color: yellow;
      text-align: center;
      font-size: 36px;
      color: purple;
    }
18. 18.🖌️ How big is the text, in px?
    h1 {
      background-color: white;
      font-size: 36px;
      color: orange;
      text-align: left;
    }
19. 19.🌈 Which colour is #ffff00? (a) blue (b) black (c) yellow (d) white
20. 20.📱 max-width: 600px applies when the screen is ___. (a) exactly 1000px (b) 600px or narrower (c) turned off (d) 600px or wider
21. 21.True or false: HTML sets colours and fonts. (a) False (b) True
22. 22.✍️ What value is given to background-color in this rule?
    h2 {
      background-color: yellow;
      text-align: center;
    } (a) 10px (b) yellow (c) 8px (d) background-color
23. 23.🌈 Which colour is rgb(255, 0, 0)? (a) bright green (b) magenta (c) blue (d) red
24. 24.True or false: JavaScript changes the page live. (a) True (b) False
25. 25.True or false: the border is a solid or dotted edge. (a) False (b) True
26. 26.✍️ How many declarations (property: value pairs) are in this rule?
    p {
      font-style: italic;
    }
27. 27.💪 Which justify-content value equal gaps, none at ends? (a) center (b) flex-start (c) flex-end (d) space-between
28. 28.🔍 Which is the odd one out? (a) shows a pop-up message (b) checks a quiz answer (c) gives the page structure (d) counts down a timer
29. 29.⚖️ What colour is the text of this element?
    <h1 class="big" id="logo">Hi</h1>
    CSS:
    #logo { color: orange; }
    .big { color: green; } (a) purple (b) green (c) blue (d) orange
30. 30.📱 Which tag helps phones show a page at the right size? (a) the br tag (b) the hr tag (c) the title tag (d) the viewport meta tag
31. 31.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 260px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 80px wide (no margins).
32. 32.True or false: the border is the line round the box. (a) True (b) False
33. 33.🖌️ Which CSS property makes the text bold? (a) font-size (b) color (c) text-align (d) font-weight
34. 34.What does font-family do? (a) makes letters bigger (b) colours behind the text (c) picks the font style (d) centres a heading
35. 35.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 290px;
      padding: 5px;
      border: 1px solid black;
      margin: 10px;
    }
36. 36.🌈 Which colour is rgb(0, 255, 0)? (a) white (b) blue (c) cyan (d) bright green
37. 37.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 150px;
      justify-content: flex-start;
    }
    Inside are 3 boxes, each 40px wide (no margins).
38. 38.⚖️ What colour is the text of this element?
    <h2 class="note" id="hero">Hi</h2>
    CSS:
    .note { color: white; }
    .note { color: orange; } (a) red (b) white (c) orange (d) black
39. 39.🎯 Which element does the selector h2 style? (a) <div class="big"> (b) <li> (c) <span id="intro"> (d) <h2 class="big">
40. 40.🧩 Which language rounds box corners? (a) CSS (b) HTML (c) JavaScript

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