CSS Worksheet: Selectors Class and Id

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

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