CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 508 · 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.⚖️ What colour is the text of this element?
   <p class="big" id="intro">Hi</p>
   CSS:
   #intro { color: blue; }
   #intro { color: red; } (a) green (b) blue (c) red (d) black
2. 2.Which of these does JavaScript do? (a) makes a link (b) gives the page structure (c) changes the page live (d) lays out the page
3. 3.💪 Which justify-content value puts boxes in the middle? (a) flex-end (b) space-between (c) flex-start (d) center
4. 4.🧩 Which language lays out the page? (a) HTML (b) CSS (c) JavaScript
5. 5.🌈 In #890000 the red part is the hex number 89. What is it as a normal number?
6. 6.💪 How much empty space (px) is before the first box?
   .row {
     display: flex;
     width: 160px;
     justify-content: center;
   }
   Inside are 2 boxes, each 60px wide (no margins).
7. 7.📱 Responsive design means a page ___. (a) is only for laptops (b) has no pictures (c) never changes (d) fits every screen
8. 8.📱 The screen is 820px wide. What font-size (px) does the paragraph get?
   p {
     font-size: 20px;
   }
   @media (max-width: 1024px) {
     p {
       font-size: 18px;
     }
   }
9. 9.📱 max-width: 600px applies when the screen is ___. (a) 600px or wider (b) 600px or narrower (c) turned off (d) exactly 1000px
10. 10.🖌️ Which CSS property picks the font style? (a) color (b) font-family (c) text-align (d) background-color
11. 11.🎯 Which CSS selector matches this element?
    <h1 class="menu" id="intro">Hello</h1> (a) h2 (b) h1 (c) #main (d) .note
12. 12.🖌️ Which CSS property centres a heading? (a) font-size (b) font-weight (c) background-color (d) text-align
13. 13.🖌️ How big is the text, in px?
    li {
      color: red;
      background-color: yellow;
      font-size: 28px;
      text-align: right;
    }
14. 14.✍️ How many declarations (property: value pairs) are in this rule?
    .note {
      font-weight: bold;
      width: 300px;
      background-color: yellow;
    }
15. 15.✍️ CSS declarations go inside which brackets? (a) ( ) (b) { } (c) [ ] (d) < >
16. 16.🧩 Which language sets colours and fonts? (a) HTML (b) JavaScript (c) CSS
17. 17.🎯 Which element does the selector h1 style? (a) <div id="top"> (b) <li class="note"> (c) <h1 class="note"> (d) <h2>
18. 18.Which of these is margin? (a) the gap to other boxes (b) space inside the border (c) a solid or dotted edge (d) the gap round content
19. 19.📦 In the box model, which part is the text or picture? (a) margin (b) padding (c) content (d) border
20. 20.✍️ How many declarations (property: value pairs) are in this rule?
    h2 {
      border: 2px solid;
      margin: 10px;
    }
21. 21.🎯 Which CSS selector matches this element?
    <h2 class="star" id="top">Hello</h2> (a) .menu (b) #star (c) .top (d) #top
22. 22.🌈 In #002e00 the green part is the hex number 2e. What is it as a normal number?
23. 23.✍️ What is the selector in this CSS rule?
    body {
      background-color: yellow;
      border: 2px solid;
      padding: 8px;
    } (a) body (b) 2px solid (c) background-color (d) .box
24. 24.What does font-size do? (a) makes the text bold (b) sets the letter colour (c) picks the font style (d) makes letters bigger
25. 25.🔍 Which is the odd one out? (a) puts a picture on a page (b) changes the text size (c) makes a form box (d) makes a link
26. 26.✍️ How many declarations (property: value pairs) are in this rule?
    h1 {
      margin: 10px;
      border: 2px solid;
      color: red;
    }
27. 27.📱 What does a media query check? (a) the page title (b) the time of day (c) the screen width (d) the battery level
28. 28.True or false: margin is space outside the border. (a) False (b) True
29. 29.⚖️ What colour is the text of this element?
    <h2 class="box" id="hero">Hi</h2>
    CSS:
    #hero { color: white; }
    #hero { color: orange; } (a) white (b) yellow (c) orange (d) black
30. 30.🖌️ Which CSS property colours behind the text? (a) background-color (b) font-family (c) text-align (d) color
31. 31.🌈 Hex digits go 0 to 9, then A to which letter? (a) J (b) G (c) F (d) Z
32. 32.🖌️ What colour are the letters?
    p {
      color: black;
      font-size: 12px;
      text-align: center;
      background-color: white;
    } (a) white (b) red (c) black
33. 33.🌈 Which colour is rgb(255, 0, 0)? (a) black (b) red (c) magenta (d) blue
34. 34.⚖️ What colour is the text of this element?
    <h1 class="note" id="intro">Hi</h1>
    CSS:
    .note { color: white; }
    .note { color: red; } (a) yellow (b) purple (c) red (d) white
35. 35.True or false: .big is an id selector. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) makes a form box (b) adds space around boxes (c) changes the text size (d) lays out the page
37. 37.💪 How much empty space (px) is before the first box?
    .row {
      display: flex;
      width: 160px;
      justify-content: flex-end;
    }
    Inside are 3 boxes, each 40px wide (no margins).
38. 38.🎯 Can many elements share the same class? (a) No (b) Yes
39. 39.🖌️ How big is the text, in px?
    li {
      text-align: left;
      font-size: 20px;
      color: white;
      background-color: purple;
    }
40. 40.🖌️ What colour is behind the letters?
    h1 {
      font-size: 40px;
      color: green;
      text-align: right;
      background-color: purple;
    } (a) green (b) yellow (c) purple

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