CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 492 · 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 li style? (a) <div> (b) <p id="intro"> (c) <span class="note"> (d) <li class="note">
2. 2.🎯 Can many elements share the same class? (a) No (b) Yes
3. 3.🎯 What kind of selector is p? (a) an id selector (b) a class selector (c) an element selector
4. 4.🎯 Which sign starts an id selector? (a) # (b) @ (c) . (d) &
5. 5.🎯 Which element does the selector h2 style? (a) <h2 class="note"> (b) <li> (c) <div class="note"> (d) <span id="top">
6. 6.🎯 Which CSS selector matches this element?
   <p class="menu" id="end">Hello</p> (a) .menu (b) #hero (c) .note (d) #menu
7. 7.True or false: #top is a class selector. (a) True (b) False
8. 8.True or false: li is an id selector. (a) False (b) True
9. 9.True or false: .menu is an element selector. (a) True (b) False
10. 10.True or false: .card is an id selector. (a) False (b) True
11. 11.🎯 Which element does the selector span style? (a) <h2 id="main"> (b) <h1 class="box"> (c) <p> (d) <span class="box">
12. 12.🎯 What kind of selector is .star? (a) a class selector (b) an element selector (c) an id selector
13. 13.True or false: .note is an id selector. (a) True (b) False
14. 14.True or false: .star is a class selector. (a) True (b) False
15. 15.🎯 Which CSS selector matches this element?
    <p class="red" id="main">Hello</p> (a) h1 (b) p (c) #logo (d) #red
16. 16.🎯 Which sign starts a class selector? (a) & (b) @ (c) # (d) .
17. 17.🎯 Which element does the selector span style? (a) <p> (b) <h1 class="big"> (c) <span class="big"> (d) <h2 id="main">
18. 18.🎯 Which element does the selector h1 style? (a) <li class="menu"> (b) <h2> (c) <h1 class="menu"> (d) <div id="top">
19. 19.🎯 What kind of selector is .menu? (a) a class selector (b) an element selector (c) an id selector
20. 20.🎯 Which element does the selector #main style? (a) <h2 id="main"> (b) <li class="menu"> (c) <h2 class="main"> (d) <h2 id="logo">
21. 21.🎯 Which CSS selector matches this element?
    <p class="note" id="logo">Hello</p> (a) p (b) .big (c) .logo (d) #end
22. 22.🎯 Which CSS selector matches this element?
    <li class="note" id="main">Hello</li> (a) div (b) #logo (c) li (d) #note
23. 23.🎯 Which CSS selector matches this element?
    <li class="big" id="logo">Hello</li> (a) .big (b) .logo (c) #big (d) .red
24. 24.True or false: .note is an element selector. (a) True (b) False
25. 25.🎯 How many elements on a page should have the same id? (a) 2 (b) any number (c) 5 (d) 1
26. 26.🎯 Which CSS selector matches this element?
    <p class="star" id="main">Hello</p> (a) .menu (b) #logo (c) h1 (d) p
27. 27.🎯 Which CSS selector matches this element?
    <span class="note" id="main">Hello</span> (a) p (b) #main (c) .big (d) #note
28. 28.🎯 Which CSS selector matches this element?
    <li class="box" id="top">Hello</li> (a) #top (b) #box (c) div (d) .star
29. 29.🎯 Which CSS selector matches this element?
    <p class="box" id="logo">Hello</p> (a) #end (b) .logo (c) #logo (d) #box
30. 30.True or false: li is an element selector. (a) True (b) False
31. 31.🎯 Which element does the selector .box style? (a) <div class="box"> (b) <div class="star"> (c) <span class="menu"> (d) <div id="box">
32. 32.🎯 Which CSS selector matches this element?
    <h1 class="big" id="logo">Hello</h1> (a) .logo (b) h2 (c) #big (d) h1
33. 33.True or false: h1 is an element selector. (a) True (b) False
34. 34.🎯 What kind of selector is body? (a) a class selector (b) an id selector (c) an element selector
35. 35.🎯 Which element does the selector .star style? (a) <li class="menu"> (b) <li id="star"> (c) <li class="star"> (d) <div class="note">
36. 36.True or false: .card is a class selector. (a) False (b) True
37. 37.🎯 Which CSS selector matches this element?
    <div class="big" id="top">Hello</div> (a) .top (b) #intro (c) .red (d) #top
38. 38.🎯 What kind of selector is #top? (a) an id selector (b) an element selector (c) a class selector
39. 39.🎯 Which CSS selector matches this element?
    <div class="menu" id="top">Hello</div> (a) #menu (b) #intro (c) .top (d) #top
40. 40.🎯 What kind of selector is li? (a) an id selector (b) a class selector (c) an element selector

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