CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 789 · 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 colour is rgb(255, 255, 0)? (a) red (b) yellow (c) blue (d) magenta
2. 2.📦 In the box model, which part is space outside the border? (a) padding (b) content (c) border (d) margin
3. 3.💪 How much empty space (px) is left after the last box?
   .row {
     display: flex;
     width: 180px;
     justify-content: flex-start;
   }
   Inside are 4 boxes, each 40px wide (no margins).
4. 4.✍️ What is the selector in this CSS rule?
   p {
     border: 2px solid;
     width: 300px;
   } (a) 300px (b) border (c) .note (d) p
5. 5.✍️ What is the selector in this CSS rule?
   .note {
     width: 300px;
     margin: 10px;
     padding: 8px;
     background-color: yellow;
   } (a) #top (b) .note (c) width (d) 10px
6. 6.🖌️ What colour are the letters?
   p {
     background-color: purple;
     color: green;
     font-size: 16px;
     text-align: right;
   } (a) green (b) purple (c) white
7. 7.Which of these is the content? (a) the line round the box (b) space inside the border (c) a solid or dotted edge (d) the text or picture
8. 8.🌈 Hex digits go 0 to 9, then A to which letter? (a) J (b) G (c) Z (d) F
9. 9.💪 Which flexbox property turns on flexbox? (a) align-items (b) flex-direction (c) display: flex (d) justify-content
10. 10.📱 Responsive design means a page ___. (a) is only for laptops (b) never changes (c) has no pictures (d) fits every screen
11. 11.What does background-color do? (a) picks the font style (b) centres a heading (c) colours behind the text (d) makes letters bigger
12. 12.💪 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).
13. 13.📦 How much space top to bottom (px) does this box take in all, margin included?
    .box {
      height: 200px;
      padding: 30px;
      border: 4px solid black;
      margin: 5px;
    }
14. 14.True or false: CSS adds space around boxes. (a) True (b) False
15. 15.True or false: padding is the gap to other boxes. (a) True (b) False
16. 16.⚖️ What colour is the text of this element?
    <h1 class="star" id="end">Hi</h1>
    CSS:
    h1 { color: green; }
    .star { color: white; }
    #end { color: purple; } (a) green (b) orange (c) purple (d) white
17. 17.🌈 Which colour is #00ff00? (a) cyan (b) white (c) bright green (d) red
18. 18.⚖️ What colour is the text of this element?
    <h2 class="note" id="top">Hi</h2>
    CSS:
    .note { color: blue; }
    .note { color: green; } (a) white (b) blue (c) green (d) red
19. 19.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 360px;
      justify-content: center;
    }
    Inside are 3 boxes, each 80px wide (no margins).
20. 20.Which of these does CSS do? (a) changes the page live (b) makes headings and lists (c) puts a picture on a page (d) rounds box corners
21. 21.📦 How wide (px) is this box from the outer edge of its left border to the outer edge of its right border?
    .box {
      width: 150px;
      padding: 30px;
      border: 4px solid black;
      margin: 10px;
    }
22. 22.💪 Which flexbox property sets space between boxes? (a) flex-direction (b) gap (c) display: flex (d) justify-content
23. 23.🧩 Which language reacts to a button click? (a) CSS (b) JavaScript (c) HTML
24. 24.✍️ Which property is set to italic in this rule?
    h1 {
      margin: 10px;
      padding: 8px;
      font-style: italic;
    } (a) color (b) italic (c) font-size (d) font-style
25. 25.⚖️ What colour is the text of this element?
    <p class="note" id="end">Hi</p>
    CSS:
    p { color: red; }
    p { color: green; } (a) red (b) blue (c) orange (d) green
26. 26.🎯 Which CSS selector matches this element?
    <span class="star" id="logo">Hello</span> (a) .menu (b) #end (c) .star (d) #star
27. 27.✍️ Which sign goes between a property and its value? (a) = (b) - (c) : (d) ;
28. 28.🌈 Which hex code is bright green? (a) #00ff00 (b) #ff0000 (c) #00ffff (d) #0000ff
29. 29.💪 How much empty space (px) is left after the last box?
    .row {
      display: flex;
      width: 140px;
      justify-content: flex-start;
    }
    Inside are 2 boxes, each 50px wide (no margins).
30. 30.✍️ In color: blue; which part is the property? (a) ; (b) : (c) color (d) blue
31. 31.True or false: the border is the line round the box. (a) False (b) True
32. 32.⚖️ What colour is the text of this element?
    <p class="big" id="logo">Hi</p>
    CSS:
    #logo { color: purple; }
    #logo { color: yellow; } (a) black (b) purple (c) blue (d) yellow
33. 33.📱 Which tag helps phones show a page at the right size? (a) the br tag (b) the hr tag (c) the viewport meta tag (d) the title tag
34. 34.🎯 Which CSS selector matches this element?
    <li class="star" id="main">Hello</li> (a) div (b) .menu (c) li (d) #logo
35. 35.✍️ Which property is set to red in this rule?
    h2 {
      color: red;
      border: 2px solid;
    } (a) font-size (b) red (c) text-align (d) color
36. 36.🎯 Which CSS selector matches this element?
    <span class="star" id="intro">Hello</span> (a) p (b) #main (c) #intro (d) .intro
37. 37.True or false: CSS checks a quiz answer. (a) False (b) True
38. 38.🎯 What kind of selector is .card? (a) a class selector (b) an id selector (c) an element selector
39. 39.📱 The screen is 375px wide. Does the rule inside @media apply?
    p {
      font-size: 12px;
    }
    @media (min-width: 480px) {
      p {
        font-size: 16px;
      }
    } (a) No (b) Yes
40. 40.🎯 Which sign starts a class selector? (a) @ (b) . (c) & (d) #

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