CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 541 · 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 #intro style? (a) <div class="big"> (b) <li id="main"> (c) <li class="intro"> (d) <li id="intro">
2. 2.True or false: #hero is an id selector. (a) False (b) True
3. 3.🎯 Which element does the selector .big style? (a) <span class="big"> (b) <span id="big"> (c) <span class="red"> (d) <p class="box">
4. 4.🎯 Which element does the selector .note style? (a) <span id="note"> (b) <span class="big"> (c) <p class="red"> (d) <span class="note">
5. 5.🎯 What kind of selector is body? (a) an id selector (b) a class selector (c) an element selector
6. 6.🎯 Which element does the selector .star style? (a) <li class="menu"> (b) <div class="note"> (c) <li id="star"> (d) <li class="star">
7. 7.True or false: .note is an element selector. (a) False (b) True
8. 8.True or false: .card is a class selector. (a) True (b) False
9. 9.🎯 Which CSS selector matches this element?
   <span class="star" id="logo">Hello</span> (a) p (b) .logo (c) #star (d) #logo
10. 10.🎯 Which element does the selector #hero style? (a) <li id="top"> (b) <li class="hero"> (c) <li id="hero"> (d) <div class="red">
11. 11.🎯 Which element does the selector #logo style? (a) <span id="logo"> (b) <span class="logo"> (c) <p class="note"> (d) <span id="end">
12. 12.🎯 What kind of selector is p? (a) an id selector (b) a class selector (c) an element selector
13. 13.True or false: .menu is an id selector. (a) True (b) False
14. 14.🎯 Which element does the selector .box style? (a) <div class="box"> (b) <div id="box"> (c) <span class="menu"> (d) <div class="star">
15. 15.🎯 What kind of selector is #top? (a) an element selector (b) a class selector (c) an id selector
16. 16.🎯 Which element does the selector h2 style? (a) <span id="main"> (b) <div class="star"> (c) <li> (d) <h2 class="star">
17. 17.🎯 Which CSS selector matches this element?
    <p class="box" id="top">Hello</p> (a) #intro (b) .star (c) #box (d) .box
18. 18.🎯 Can many elements share the same class? (a) No (b) Yes
19. 19.🎯 Which element does the selector .menu style? (a) <h2 class="note"> (b) <h2 class="menu"> (c) <li class="big"> (d) <h2 id="menu">
20. 20.True or false: #top is an id selector. (a) True (b) False
21. 21.🎯 Which element does the selector span style? (a) <p> (b) <h1 class="star"> (c) <span class="star"> (d) <h2 id="hero">
22. 22.🎯 Which element does the selector .menu style? (a) <h1 class="big"> (b) <p id="menu"> (c) <p class="note"> (d) <p class="menu">
23. 23.🎯 Which element does the selector h2 style? (a) <h2 class="red"> (b) <span id="logo"> (c) <div class="red"> (d) <li>
24. 24.🎯 Which CSS selector matches this element?
    <h1 class="star" id="end">Hello</h1> (a) .end (b) #hero (c) h2 (d) h1
25. 25.🎯 What kind of selector is #hero? (a) an id selector (b) an element selector (c) a class selector
26. 26.🎯 Which sign starts an id selector? (a) @ (b) . (c) # (d) &
27. 27.🎯 Which CSS selector matches this element?
    <div class="red" id="main">Hello</div> (a) #logo (b) div (c) .main (d) span
28. 28.🎯 What kind of selector is .menu? (a) a class selector (b) an element selector (c) an id selector
29. 29.🎯 Which sign starts a class selector? (a) . (b) & (c) @ (d) #
30. 30.True or false: #top is a class selector. (a) True (b) False
31. 31.🎯 Which element does the selector .red style? (a) <span id="red"> (b) <span class="red"> (c) <span class="box"> (d) <p class="star">
32. 32.True or false: .big is a class selector. (a) False (b) True
33. 33.True or false: img is a class selector. (a) True (b) False
34. 34.🎯 Which element does the selector .box style? (a) <p class="star"> (b) <p class="box"> (c) <p id="box"> (d) <h1 class="menu">
35. 35.🎯 Which element does the selector .big style? (a) <p class="big"> (b) <p id="big"> (c) <h1 class="box"> (d) <p class="red">
36. 36.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="intro">Hello</h2> (a) .menu (b) .intro (c) li (d) #main
37. 37.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="main">Hello</h2> (a) #menu (b) h2 (c) #logo (d) li
38. 38.🎯 Which CSS selector matches this element?
    <li class="menu" id="top">Hello</li> (a) #menu (b) .top (c) .menu (d) div
39. 39.🎯 Which CSS selector matches this element?
    <h1 class="note" id="main">Hello</h1> (a) #main (b) h2 (c) .main (d) #note
40. 40.True or false: .note is an id selector. (a) True (b) False

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