CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 158 · 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.True or false: #hero is an id selector. (a) True (b) False
3. 3.🎯 What kind of selector is #hero? (a) an element selector (b) an id selector (c) a class selector
4. 4.🎯 Which sign starts a class selector? (a) & (b) # (c) @ (d) .
5. 5.True or false: li is an element selector. (a) False (b) True
6. 6.🎯 What kind of selector is #main? (a) an element selector (b) an id selector (c) a class selector
7. 7.🎯 What kind of selector is .star? (a) a class selector (b) an element selector (c) an id selector
8. 8.🎯 Which element does the selector h2 style? (a) <div class="star"> (b) <li> (c) <span id="hero"> (d) <h2 class="star">
9. 9.🎯 Which element does the selector #intro style? (a) <h1 class="intro"> (b) <h2 class="red"> (c) <h1 id="main"> (d) <h1 id="intro">
10. 10.🎯 Which element does the selector li style? (a) <p id="logo"> (b) <li class="star"> (c) <span class="star"> (d) <div>
11. 11.True or false: .big is an id selector. (a) False (b) True
12. 12.🎯 Which element does the selector p style? (a) <li id="logo"> (b) <h2 class="star"> (c) <p class="star"> (d) <h1>
13. 13.🎯 Which CSS selector matches this element?
    <p class="big" id="end">Hello</p> (a) .end (b) #big (c) #end (d) h1
14. 14.🎯 What kind of selector is .big? (a) an element selector (b) a class selector (c) an id selector
15. 15.🎯 Which element does the selector #logo style? (a) <p id="end"> (b) <p class="logo"> (c) <h1 class="box"> (d) <p id="logo">
16. 16.True or false: .menu is an element selector. (a) True (b) False
17. 17.🎯 Which CSS selector matches this element?
    <p class="star" id="hero">Hello</p> (a) #star (b) #hero (c) h1 (d) #top
18. 18.True or false: img is a class selector. (a) True (b) False
19. 19.🎯 Which element does the selector div style? (a) <span> (b) <h1 id="main"> (c) <div class="note"> (d) <p class="note">
20. 20.🎯 Which CSS selector matches this element?
    <h2 class="big" id="logo">Hello</h2> (a) li (b) #big (c) .logo (d) #logo
21. 21.🎯 Which element does the selector #top style? (a) <span id="top"> (b) <p class="note"> (c) <span class="top"> (d) <span id="intro">
22. 22.🎯 Which element does the selector .red style? (a) <h1 class="red"> (b) <h1 id="red"> (c) <h1 class="box"> (d) <h2 class="star">
23. 23.🎯 Which CSS selector matches this element?
    <h2 class="box" id="intro">Hello</h2> (a) .intro (b) li (c) .star (d) .box
24. 24.🎯 Which element does the selector p style? (a) <p class="menu"> (b) <h2 class="menu"> (c) <li id="intro"> (d) <h1>
25. 25.🎯 Which element does the selector #hero style? (a) <h2 class="box"> (b) <h1 id="top"> (c) <h1 class="hero"> (d) <h1 id="hero">
26. 26.🎯 What kind of selector is li? (a) an id selector (b) an element selector (c) a class selector
27. 27.🎯 Which element does the selector .big style? (a) <div class="box"> (b) <li class="red"> (c) <li id="big"> (d) <li class="big">
28. 28.True or false: .big is a class selector. (a) True (b) False
29. 29.🎯 Which element does the selector span style? (a) <p> (b) <h2 id="intro"> (c) <h1 class="menu"> (d) <span class="menu">
30. 30.🎯 Which element does the selector div style? (a) <p class="star"> (b) <h1 id="end"> (c) <span> (d) <div class="star">
31. 31.🎯 Which sign starts an id selector? (a) @ (b) # (c) . (d) &
32. 32.True or false: .card is an id selector. (a) False (b) True
33. 33.🎯 Which CSS selector matches this element?
    <span class="note" id="top">Hello</span> (a) #intro (b) .big (c) p (d) .note
34. 34.🎯 Which element does the selector .red style? (a) <h2 class="red"> (b) <li class="star"> (c) <h2 class="box"> (d) <h2 id="red">
35. 35.🎯 What kind of selector is body? (a) an id selector (b) a class selector (c) an element selector
36. 36.🎯 Which CSS selector matches this element?
    <p class="menu" id="hero">Hello</p> (a) #top (b) #menu (c) h1 (d) .menu
37. 37.True or false: img is an id selector. (a) True (b) False
38. 38.🎯 Which CSS selector matches this element?
    <h2 class="star" id="main">Hello</h2> (a) #logo (b) li (c) #star (d) h2
39. 39.🎯 Which element does the selector #main style? (a) <h1 class="main"> (b) <h1 id="main"> (c) <h2 class="box"> (d) <h1 id="logo">
40. 40.🎯 Which CSS selector matches this element?
    <div class="note" id="main">Hello</div> (a) .big (b) span (c) #logo (d) div

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