CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 864 · 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 .menu style? (a) <h2 class="menu"> (b) <h2 id="menu"> (c) <h2 class="note"> (d) <li class="big">
2. 2.🎯 Which element does the selector .big style? (a) <div id="big"> (b) <span class="box"> (c) <div class="big"> (d) <div class="red">
3. 3.🎯 Which element does the selector #top style? (a) <h1 class="top"> (b) <h1 id="top"> (c) <h1 id="intro"> (d) <h2 class="note">
4. 4.🎯 Which CSS selector matches this element?
   <h1 class="star" id="main">Hello</h1> (a) h1 (b) #logo (c) h2 (d) .menu
5. 5.🎯 What kind of selector is .menu? (a) a class selector (b) an id selector (c) an element selector
6. 6.🎯 Which element does the selector #hero style? (a) <span id="top"> (b) <span id="hero"> (c) <span class="hero"> (d) <p class="star">
7. 7.🎯 Which element does the selector p style? (a) <p class="big"> (b) <h2 class="big"> (c) <h1> (d) <li id="logo">
8. 8.🎯 What kind of selector is .star? (a) an element selector (b) an id selector (c) a class selector
9. 9.🎯 What kind of selector is li? (a) an element selector (b) an id selector (c) a class selector
10. 10.🎯 Which element does the selector #intro style? (a) <span id="intro"> (b) <span class="intro"> (c) <span id="main"> (d) <p class="red">
11. 11.🎯 What kind of selector is p? (a) a class selector (b) an element selector (c) an id selector
12. 12.🎯 Which CSS selector matches this element?
    <p class="note" id="top">Hello</p> (a) .big (b) #note (c) h1 (d) p
13. 13.True or false: .star is an element selector. (a) True (b) False
14. 14.🎯 Which element does the selector li style? (a) <span class="red"> (b) <p id="top"> (c) <li class="red"> (d) <div>
15. 15.🎯 Which CSS selector matches this element?
    <h1 class="box" id="end">Hello</h1> (a) .box (b) #box (c) #hero (d) .star
16. 16.🎯 Which element does the selector .big style? (a) <p class="big"> (b) <h1 class="box"> (c) <p class="red"> (d) <p id="big">
17. 17.🎯 Which element does the selector .box style? (a) <h1 id="box"> (b) <h1 class="star"> (c) <h2 class="menu"> (d) <h1 class="box">
18. 18.🎯 Which CSS selector matches this element?
    <span class="box" id="top">Hello</span> (a) span (b) #box (c) .top (d) p
19. 19.True or false: .big is an element selector. (a) False (b) True
20. 20.True or false: #main is an id selector. (a) True (b) False
21. 21.True or false: .card is an element selector. (a) True (b) False
22. 22.🎯 Which element does the selector .menu style? (a) <h1 class="big"> (b) <p class="note"> (c) <p class="menu"> (d) <p id="menu">
23. 23.True or false: .menu is a class selector. (a) False (b) True
24. 24.🎯 Which sign starts a class selector? (a) # (b) @ (c) & (d) .
25. 25.🎯 Which element does the selector div style? (a) <span> (b) <h1 id="hero"> (c) <div class="star"> (d) <p class="star">
26. 26.🎯 How many elements on a page should have the same id? (a) 1 (b) 2 (c) 5 (d) any number
27. 27.🎯 Which element does the selector #top style? (a) <div id="intro"> (b) <div id="top"> (c) <div class="top"> (d) <span class="box">
28. 28.True or false: #hero is a class selector. (a) False (b) True
29. 29.🎯 Which CSS selector matches this element?
    <span class="box" id="top">Hello</span> (a) #top (b) #box (c) #intro (d) .star
30. 30.🎯 Which CSS selector matches this element?
    <li class="menu" id="hero">Hello</li> (a) .note (b) #top (c) #menu (d) #hero
31. 31.True or false: .star is an id selector. (a) False (b) True
32. 32.🎯 Can many elements share the same class? (a) Yes (b) No
33. 33.🎯 Which element does the selector .note style? (a) <p class="big"> (b) <p id="note"> (c) <p class="note"> (d) <h1 class="red">
34. 34.🎯 Which element does the selector .note style? (a) <h1 class="big"> (b) <h1 class="note"> (c) <h2 class="red"> (d) <h1 id="note">
35. 35.🎯 Which element does the selector .menu style? (a) <li id="menu"> (b) <div class="big"> (c) <li class="note"> (d) <li class="menu">
36. 36.True or false: p is an element selector. (a) False (b) True
37. 37.🎯 Which element does the selector .star style? (a) <h2 id="star"> (b) <h2 class="menu"> (c) <h2 class="star"> (d) <li class="note">
38. 38.True or false: img is an element selector. (a) True (b) False
39. 39.🎯 Which CSS selector matches this element?
    <h1 class="box" id="logo">Hello</h1> (a) #end (b) h1 (c) .logo (d) .star
40. 40.🎯 What kind of selector is .card? (a) an element selector (b) a class selector (c) an id selector

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