CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 188 · 40 questions

Code tip (Dot for class, hash for id): p matches every <p>; .note matches class="note"; #top matches id="top". A dot means class, a hash means id — mixing them up matches nothing. Many elements can share a class; an id belongs to only one element.

1. 1.🎯 Can many elements share the same class? (a) Yes (b) No
2. 2.🎯 Which element does the selector .menu style? (a) <li class="menu"> (b) <div class="big"> (c) <li id="menu"> (d) <li class="note">
3. 3.True or false: p is a class selector. (a) False (b) True
4. 4.🎯 What kind of selector is body? (a) a class selector (b) an id selector (c) an element selector
5. 5.🎯 Which element does the selector #hero style? (a) <span id="top"> (b) <p class="star"> (c) <span class="hero"> (d) <span id="hero">
6. 6.🎯 Which element does the selector .red style? (a) <li id="red"> (b) <li class="box"> (c) <div class="star"> (d) <li class="red">
7. 7.True or false: .note is an element selector. (a) False (b) True
8. 8.🎯 How many elements on a page should have the same id? (a) 5 (b) 2 (c) any number (d) 1
9. 9.🎯 Which CSS selector matches this element?
   <li class="box" id="main">Hello</li> (a) div (b) .star (c) #box (d) li
10. 10.True or false: h1 is an id selector. (a) True (b) False
11. 11.🎯 What kind of selector is .star? (a) an element selector (b) a class selector (c) an id selector
12. 12.🎯 What kind of selector is .note? (a) an element selector (b) an id selector (c) a class selector
13. 13.🎯 Which element does the selector .note style? (a) <p class="big"> (b) <p id="note"> (c) <p class="note"> (d) <h1 class="red">
14. 14.True or false: #main is a class selector. (a) False (b) True
15. 15.🎯 Which sign starts an id selector? (a) . (b) @ (c) & (d) #
16. 16.True or false: #end is an id selector. (a) False (b) True
17. 17.True or false: .big is an element selector. (a) True (b) False
18. 18.🎯 What kind of selector is #hero? (a) an id selector (b) an element selector (c) a class selector
19. 19.True or false: .card is an id selector. (a) True (b) False
20. 20.🎯 Which element does the selector .menu style? (a) <h1 class="note"> (b) <h1 class="menu"> (c) <h1 id="menu"> (d) <h2 class="big">
21. 21.True or false: #hero is a class selector. (a) False (b) True
22. 22.🎯 Which element does the selector .star style? (a) <div class="menu"> (b) <div class="star"> (c) <div id="star"> (d) <span class="note">
23. 23.🎯 Which element does the selector #hero style? (a) <h1 id="hero"> (b) <h1 id="top"> (c) <h2 class="menu"> (d) <h1 class="hero">
24. 24.🎯 Which element does the selector h1 style? (a) <h1 class="big"> (b) <h2> (c) <li class="big"> (d) <div id="main">
25. 25.True or false: .star is an id selector. (a) False (b) True
26. 26.🎯 Which CSS selector matches this element?
    <p class="red" id="hero">Hello</p> (a) .box (b) h1 (c) p (d) #red
27. 27.🎯 Which CSS selector matches this element?
    <h1 class="big" id="end">Hello</h1> (a) .red (b) #big (c) .end (d) .big
28. 28.🎯 Which CSS selector matches this element?
    <h1 class="big" id="intro">Hello</h1> (a) #main (b) .big (c) #big (d) h2
29. 29.True or false: #top is a class selector. (a) True (b) False
30. 30.🎯 Which CSS selector matches this element?
    <div class="box" id="hero">Hello</div> (a) #hero (b) #box (c) .star (d) span
31. 31.🎯 Which CSS selector matches this element?
    <h1 class="red" id="logo">Hello</h1> (a) #red (b) .logo (c) h1 (d) h2
32. 32.🎯 Which CSS selector matches this element?
    <p class="note" id="hero">Hello</p> (a) #top (b) .hero (c) h1 (d) .note
33. 33.🎯 What kind of selector is .card? (a) an element selector (b) an id selector (c) a class selector
34. 34.🎯 What kind of selector is .menu? (a) an id selector (b) a class selector (c) an element selector
35. 35.True or false: #hero is an element selector. (a) False (b) True
36. 36.🎯 Which CSS selector matches this element?
    <p class="red" id="intro">Hello</p> (a) .box (b) #main (c) #intro (d) h1
37. 37.🎯 Which element does the selector div style? (a) <div class="note"> (b) <h1 id="end"> (c) <span> (d) <p class="note">
38. 38.True or false: img is an element selector. (a) False (b) True
39. 39.🎯 Which CSS selector matches this element?
    <p class="big" id="end">Hello</p> (a) h1 (b) #hero (c) .end (d) p
40. 40.🎯 Which element does the selector p style? (a) <h1> (b) <h2 class="red"> (c) <p class="red"> (d) <li id="intro">

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