CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 917 · 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.🎯 What kind of selector is .star? (a) an id selector (b) a class selector (c) an element selector
2. 2.🎯 Which CSS selector matches this element?
   <span class="menu" id="intro">Hello</span> (a) p (b) .intro (c) span (d) .note
3. 3.🎯 Which sign starts a class selector? (a) & (b) # (c) @ (d) .
4. 4.🎯 Which element does the selector #hero style? (a) <span id="top"> (b) <span class="hero"> (c) <p class="big"> (d) <span id="hero">
5. 5.🎯 Which element does the selector #end style? (a) <p id="hero"> (b) <p class="end"> (c) <h1 class="big"> (d) <p id="end">
6. 6.🎯 What kind of selector is .note? (a) an id selector (b) a class selector (c) an element selector
7. 7.🎯 Which CSS selector matches this element?
   <span class="star" id="intro">Hello</span> (a) #main (b) p (c) .intro (d) #intro
8. 8.🎯 What kind of selector is #end? (a) an element selector (b) an id selector (c) a class selector
9. 9.🎯 Which sign starts an id selector? (a) . (b) @ (c) & (d) #
10. 10.🎯 Which element does the selector .star style? (a) <p class="star"> (b) <p class="menu"> (c) <h1 class="note"> (d) <p id="star">
11. 11.True or false: p is an element selector. (a) True (b) False
12. 12.🎯 Which element does the selector #intro style? (a) <h1 class="intro"> (b) <h2 class="box"> (c) <h1 id="main"> (d) <h1 id="intro">
13. 13.🎯 Which element does the selector p style? (a) <h2 class="menu"> (b) <li id="hero"> (c) <h1> (d) <p class="menu">
14. 14.🎯 Which CSS selector matches this element?
    <div class="star" id="intro">Hello</div> (a) span (b) .star (c) .intro (d) .menu
15. 15.🎯 Which element does the selector #intro style? (a) <li class="intro"> (b) <li id="main"> (c) <div class="box"> (d) <li id="intro">
16. 16.True or false: .note is a class selector. (a) True (b) False
17. 17.🎯 Which element does the selector #intro style? (a) <span id="main"> (b) <span class="intro"> (c) <p class="menu"> (d) <span id="intro">
18. 18.🎯 Which CSS selector matches this element?
    <div class="menu" id="top">Hello</div> (a) div (b) #intro (c) span (d) .note
19. 19.🎯 What kind of selector is .card? (a) an id selector (b) a class selector (c) an element selector
20. 20.🎯 Which CSS selector matches this element?
    <li class="big" id="hero">Hello</li> (a) .hero (b) #big (c) .red (d) #hero
21. 21.🎯 Which element does the selector .box style? (a) <p class="star"> (b) <p id="box"> (c) <p class="box"> (d) <h1 class="menu">
22. 22.True or false: .card is a class selector. (a) False (b) True
23. 23.🎯 Which CSS selector matches this element?
    <h2 class="box" id="top">Hello</h2> (a) .top (b) #intro (c) h2 (d) li
24. 24.🎯 Which CSS selector matches this element?
    <h1 class="menu" id="end">Hello</h1> (a) .menu (b) #menu (c) #hero (d) .note
25. 25.🎯 Which CSS selector matches this element?
    <div class="star" id="main">Hello</div> (a) #logo (b) #star (c) div (d) .main
26. 26.🎯 Which element does the selector .star style? (a) <li class="note"> (b) <h2 class="star"> (c) <h2 id="star"> (d) <h2 class="menu">
27. 27.True or false: #top is a class selector. (a) True (b) False
28. 28.🎯 Which CSS selector matches this element?
    <div class="star" id="end">Hello</div> (a) .end (b) span (c) .menu (d) div
29. 29.🎯 Which element does the selector h2 style? (a) <span id="hero"> (b) <div class="star"> (c) <li> (d) <h2 class="star">
30. 30.🎯 Which element does the selector .menu style? (a) <li class="note"> (b) <div class="big"> (c) <li id="menu"> (d) <li class="menu">
31. 31.True or false: .big is an id selector. (a) True (b) False
32. 32.🎯 Which element does the selector p style? (a) <p class="big"> (b) <h1> (c) <h2 class="big"> (d) <li id="top">
33. 33.🎯 Which CSS selector matches this element?
    <p class="big" id="end">Hello</p> (a) #hero (b) #big (c) h1 (d) .big
34. 34.🎯 What kind of selector is #logo? (a) an element selector (b) an id selector (c) a class selector
35. 35.True or false: .card is an id selector. (a) False (b) True
36. 36.True or false: .note is an element selector. (a) False (b) True
37. 37.🎯 Which CSS selector matches this element?
    <p class="note" id="logo">Hello</p> (a) .logo (b) #note (c) .big (d) .note
38. 38.True or false: .star is a class selector. (a) True (b) False
39. 39.True or false: .menu is an id selector. (a) False (b) True
40. 40.🎯 Which CSS selector matches this element?
    <h2 class="red" id="end">Hello</h2> (a) .box (b) #hero (c) li (d) .red

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