CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 364 · 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.🎯 Which element does the selector div style? (a) <p class="box"> (b) <h1 id="top"> (c) <span> (d) <div class="box">
2. 2.True or false: .big is a class selector. (a) False (b) True
3. 3.🎯 Which CSS selector matches this element?
   <p class="red" id="top">Hello</p> (a) #intro (b) .top (c) p (d) #red
4. 4.🎯 Which CSS selector matches this element?
   <h2 class="big" id="main">Hello</h2> (a) #big (b) li (c) .big (d) #logo
5. 5.🎯 Which element does the selector #main style? (a) <div id="logo"> (b) <span class="box"> (c) <div id="main"> (d) <div class="main">
6. 6.🎯 What kind of selector is #logo? (a) a class selector (b) an element selector (c) an id selector
7. 7.True or false: .menu is an id selector. (a) False (b) True
8. 8.True or false: .star is an element selector. (a) False (b) True
9. 9.🎯 Which element does the selector #intro style? (a) <div class="intro"> (b) <span class="big"> (c) <div id="main"> (d) <div id="intro">
10. 10.🎯 Which element does the selector .star style? (a) <li class="menu"> (b) <li id="star"> (c) <li class="star"> (d) <div class="note">
11. 11.True or false: #hero is an element selector. (a) True (b) False
12. 12.True or false: .card is an id selector. (a) True (b) False
13. 13.🎯 Which element does the selector .red style? (a) <li class="red"> (b) <li id="red"> (c) <li class="box"> (d) <div class="star">
14. 14.🎯 Which CSS selector matches this element?
    <p class="big" id="end">Hello</p> (a) #big (b) .end (c) p (d) h1
15. 15.🎯 What kind of selector is li? (a) a class selector (b) an id selector (c) an element selector
16. 16.🎯 What kind of selector is #end? (a) an element selector (b) an id selector (c) a class selector
17. 17.🎯 Which element does the selector #logo style? (a) <div id="end"> (b) <div class="logo"> (c) <span class="big"> (d) <div id="logo">
18. 18.🎯 Which element does the selector #hero style? (a) <div class="hero"> (b) <span class="box"> (c) <div id="top"> (d) <div id="hero">
19. 19.🎯 Which element does the selector p style? (a) <p class="menu"> (b) <li id="main"> (c) <h1> (d) <h2 class="menu">
20. 20.True or false: #top is an element selector. (a) False (b) True
21. 21.🎯 Can many elements share the same class? (a) Yes (b) No
22. 22.True or false: .card is an element selector. (a) False (b) True
23. 23.🎯 What kind of selector is .big? (a) a class selector (b) an id selector (c) an element selector
24. 24.True or false: p is a class selector. (a) True (b) False
25. 25.True or false: img is an element selector. (a) False (b) True
26. 26.🎯 Which CSS selector matches this element?
    <li class="big" id="end">Hello</li> (a) #end (b) .end (c) #hero (d) #big
27. 27.🎯 Which CSS selector matches this element?
    <h1 class="red" id="main">Hello</h1> (a) h2 (b) #logo (c) .red (d) .main
28. 28.🎯 Which CSS selector matches this element?
    <h1 class="big" id="intro">Hello</h1> (a) h1 (b) h2 (c) .intro (d) #big
29. 29.True or false: .card is a class selector. (a) True (b) False
30. 30.🎯 Which CSS selector matches this element?
    <h1 class="note" id="hero">Hello</h1> (a) #note (b) #top (c) h2 (d) .note
31. 31.🎯 Which CSS selector matches this element?
    <h2 class="box" id="logo">Hello</h2> (a) .star (b) #end (c) li (d) h2
32. 32.🎯 Which element does the selector span style? (a) <span class="star"> (b) <h2 id="top"> (c) <h1 class="star"> (d) <p>
33. 33.🎯 Which CSS selector matches this element?
    <div class="big" id="hero">Hello</div> (a) #top (b) #big (c) .big (d) .red
34. 34.🎯 What kind of selector is img? (a) an id selector (b) a class selector (c) an element selector
35. 35.🎯 Which CSS selector matches this element?
    <span class="menu" id="intro">Hello</span> (a) #menu (b) .menu (c) .note (d) .intro
36. 36.🎯 Which element does the selector #hero style? (a) <h2 class="hero"> (b) <h2 id="top"> (c) <h2 id="hero"> (d) <li class="big">
37. 37.🎯 Which CSS selector matches this element?
    <h2 class="box" id="intro">Hello</h2> (a) .star (b) #box (c) .box (d) li
38. 38.🎯 Which element does the selector .star style? (a) <h2 class="menu"> (b) <h2 class="star"> (c) <h2 id="star"> (d) <li class="note">
39. 39.True or false: h1 is a class selector. (a) True (b) False
40. 40.🎯 Which element does the selector #logo style? (a) <li class="big"> (b) <h2 class="logo"> (c) <h2 id="end"> (d) <h2 id="logo">

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