CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 522 · 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 #top style? (a) <p id="intro"> (b) <p id="top"> (c) <h1 class="box"> (d) <p class="top">
2. 2.🎯 What kind of selector is #logo? (a) an id selector (b) an element selector (c) a class selector
3. 3.True or false: #main is an id selector. (a) False (b) True
4. 4.🎯 What kind of selector is #hero? (a) an id selector (b) a class selector (c) an element selector
5. 5.🎯 Can many elements share the same class? (a) Yes (b) No
6. 6.True or false: .card is a class selector. (a) False (b) True
7. 7.🎯 What kind of selector is .note? (a) an id selector (b) a class selector (c) an element selector
8. 8.🎯 Which element does the selector h2 style? (a) <span id="hero"> (b) <div class="box"> (c) <li> (d) <h2 class="box">
9. 9.🎯 What kind of selector is .big? (a) an id selector (b) an element selector (c) a class selector
10. 10.True or false: #hero is an element selector. (a) True (b) False
11. 11.🎯 Which CSS selector matches this element?
    <h2 class="big" id="top">Hello</h2> (a) #big (b) h2 (c) #intro (d) .top
12. 12.🎯 Which sign starts a class selector? (a) @ (b) & (c) # (d) .
13. 13.🎯 Which element does the selector #main style? (a) <span id="logo"> (b) <span id="main"> (c) <p class="note"> (d) <span class="main">
14. 14.🎯 Which CSS selector matches this element?
    <span class="box" id="logo">Hello</span> (a) #box (b) span (c) .logo (d) .star
15. 15.True or false: li is an element selector. (a) False (b) True
16. 16.🎯 Which CSS selector matches this element?
    <div class="star" id="logo">Hello</div> (a) #end (b) .menu (c) div (d) #star
17. 17.🎯 Which sign starts an id selector? (a) @ (b) . (c) # (d) &
18. 18.🎯 Which element does the selector .star style? (a) <h1 id="star"> (b) <h2 class="note"> (c) <h1 class="menu"> (d) <h1 class="star">
19. 19.🎯 Which CSS selector matches this element?
    <h2 class="star" id="top">Hello</h2> (a) .top (b) #star (c) .menu (d) #top
20. 20.True or false: body is an id selector. (a) True (b) False
21. 21.🎯 Which element does the selector #end style? (a) <span class="end"> (b) <span id="end"> (c) <p class="big"> (d) <span id="hero">
22. 22.🎯 Which element does the selector div style? (a) <span> (b) <h1 id="top"> (c) <div class="note"> (d) <p class="note">
23. 23.True or false: .star is an id selector. (a) True (b) False
24. 24.🎯 What kind of selector is .star? (a) an element selector (b) a class selector (c) an id selector
25. 25.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="end">Hello</h2> (a) #menu (b) #hero (c) .menu (d) .end
26. 26.🎯 What kind of selector is #top? (a) an id selector (b) an element selector (c) a class selector
27. 27.🎯 Which element does the selector #top style? (a) <h2 id="top"> (b) <li class="big"> (c) <h2 id="intro"> (d) <h2 class="top">
28. 28.🎯 Which CSS selector matches this element?
    <div class="menu" id="intro">Hello</div> (a) #main (b) .intro (c) div (d) .note
29. 29.True or false: #logo is an element selector. (a) True (b) False
30. 30.🎯 Which element does the selector h1 style? (a) <div id="main"> (b) <li class="red"> (c) <h2> (d) <h1 class="red">
31. 31.True or false: .big is a class selector. (a) True (b) False
32. 32.🎯 Which element does the selector span style? (a) <p> (b) <h2 id="top"> (c) <h1 class="menu"> (d) <span class="menu">
33. 33.🎯 Which element does the selector .box style? (a) <h1 id="box"> (b) <h2 class="menu"> (c) <h1 class="star"> (d) <h1 class="box">
34. 34.True or false: .card is an element selector. (a) False (b) True
35. 35.🎯 Which CSS selector matches this element?
    <div class="note" id="top">Hello</div> (a) span (b) #note (c) div (d) .top
36. 36.🎯 Which CSS selector matches this element?
    <div class="menu" id="end">Hello</div> (a) #menu (b) .note (c) .end (d) div
37. 37.🎯 Which element does the selector .red style? (a) <li class="box"> (b) <li id="red"> (c) <div class="star"> (d) <li class="red">
38. 38.🎯 Which CSS selector matches this element?
    <h1 class="star" id="intro">Hello</h1> (a) h1 (b) #main (c) .intro (d) #star
39. 39.🎯 Which element does the selector p style? (a) <p class="box"> (b) <h2 class="box"> (c) <h1> (d) <li id="logo">
40. 40.🎯 What kind of selector is p? (a) an id selector (b) a class selector (c) an element selector

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