CSS Worksheet: Practice Test

HTML and CSS lesson 20: CSS test · Set 703 · 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 is the odd one out? (a) reacts to a button click (b) counts down a timer (c) lays out the page (d) changes the page live
2. 2.🌈 Hex digits go 0 to 9, then A to which letter? (a) G (b) Z (c) F (d) J
3. 3.🎯 What kind of selector is .menu? (a) a class selector (b) an element selector (c) an id selector
4. 4.🔍 Which is the odd one out? (a) sets colours and fonts (b) gives the page structure (c) makes a form box (d) makes a link
5. 5.🎯 Which CSS selector matches this element?
   <div class="note" id="end">Hello</div> (a) .note (b) #note (c) span (d) .end
6. 6.🔍 Which is the odd one out? (a) gives the page structure (b) adds space around boxes (c) rounds box corners (d) lays out the page
7. 7.🖌️ What colour are the letters?
   li {
     text-align: right;
     color: purple;
     background-color: green;
     font-size: 20px;
   } (a) green (b) purple (c) white
8. 8.📦 In the box model, which part is space outside the border? (a) padding (b) margin (c) content (d) border
9. 9.✍️ Which property is set to 10px in this rule?
   .note {
     color: red;
     margin: 10px;
     text-align: center;
     font-size: 20px;
   } (a) font-weight (b) padding (c) 10px (d) margin
10. 10.🌈 Which colour is rgb(0, 255, 0)? (a) blue (b) bright green (c) black (d) red
11. 11.🎯 Which CSS selector matches this element?
    <h1 class="big" id="hero">Hello</h1> (a) h2 (b) .hero (c) .big (d) .red
12. 12.🎯 Which CSS selector matches this element?
    <span class="red" id="logo">Hello</span> (a) .logo (b) p (c) span (d) #red
13. 13.🧩 Which language rounds box corners? (a) HTML (b) CSS (c) JavaScript
14. 14.✍️ Which sign goes between a property and its value? (a) ; (b) = (c) : (d) -
15. 15.📱 The screen is 700px wide. Does the rule inside @media apply?
    p {
      font-size: 16px;
    }
    @media (max-width: 480px) {
      p {
        font-size: 14px;
      }
    } (a) Yes (b) No
16. 16.🌈 Which colour is rgb(255, 0, 0)? (a) magenta (b) red (c) yellow (d) blue
17. 17.💪 Which flexbox property lines boxes up across? (a) justify-content (b) gap (c) flex-direction (d) align-items
18. 18.📱 What does a media query check? (a) the time of day (b) the battery level (c) the screen width (d) the page title
19. 19.Which of these does JavaScript do? (a) puts a picture on a page (b) shows a pop-up message (c) sets colours and fonts (d) makes a link
20. 20.📱 The screen is 540px wide. What font-size (px) does the paragraph get?
    p {
      font-size: 16px;
    }
    @media (min-width: 768px) {
      p {
        font-size: 18px;
      }
    }
21. 21.✍️ What is the selector in this CSS rule?
    h2 {
      font-style: italic;
      border: 2px solid;
      padding: 8px;
    } (a) h2 (b) h1 (c) font-style (d) 2px solid
22. 22.⚖️ Which selector is the weakest? (a) an id selector (b) a class selector (c) an element selector
23. 23.⚖️ What colour is the text of this element?
    <h2 class="menu" id="end">Hi</h2>
    CSS:
    h2 { color: white; }
    h2 { color: blue; } (a) green (b) blue (c) white (d) purple
24. 24.✍️ Which property is set to 2px solid in this rule?
    li {
      font-weight: bold;
      color: red;
      border: 2px solid;
    } (a) border (b) font-style (c) width (d) 2px solid
25. 25.🔍 Which is the odd one out? (a) shows a pop-up message (b) gives the page structure (c) makes a link (d) makes a form box
26. 26.What does justify-content: flex-start do? (a) equal gaps, none at ends (b) puts boxes in the middle (c) packs boxes at the start (d) packs boxes at the end
27. 27.📱 max-width: 600px applies when the screen is ___. (a) 600px or wider (b) 600px or narrower (c) turned off (d) exactly 1000px
28. 28.True or false: the content is a solid or dotted edge. (a) True (b) False
29. 29.✍️ CSS declarations go inside which brackets? (a) { } (b) ( ) (c) [ ] (d) < >
30. 30.True or false: JavaScript counts down a timer. (a) False (b) True
31. 31.🌈 In #d80000 the red part is the hex number d8. What is it as a normal number?
32. 32.🎨 Which tag holds CSS inside the head? (a) <css> (b) <script> (c) <style> (d) <body>
33. 33.🖌️ How big is the text, in px?
    p {
      background-color: purple;
      text-align: left;
      color: black;
      font-size: 24px;
    }
34. 34.🎯 Can many elements share the same class? (a) Yes (b) No
35. 35.True or false: img is a class selector. (a) True (b) False
36. 36.🌈 Which colour of light is strongest in rgb(139, 161, 12)? (a) blue (b) red (c) green
37. 37.What does font-family do? (a) picks the font style (b) sets the letter colour (c) centres a heading (d) makes the text bold
38. 38.📦 In the box model, which part is space inside the border? (a) border (b) content (c) padding (d) margin
39. 39.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the first one (b) neither (c) the shorter one (d) the later one
40. 40.Which of these does CSS do? (a) makes a form box (b) reacts to a button click (c) sets colours and fonts (d) shows a pop-up message

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