CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 429 · 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 h1 style? (a) <li class="menu"> (b) <div id="end"> (c) <h1 class="menu"> (d) <h2>
2. 2.🎯 Which element does the selector h1 style? (a) <h1 class="note"> (b) <li class="note"> (c) <div id="top"> (d) <h2>
3. 3.🎯 Which element does the selector p style? (a) <h2 class="big"> (b) <li id="top"> (c) <h1> (d) <p class="big">
4. 4.🎯 Which CSS selector matches this element?
   <div class="note" id="intro">Hello</div> (a) #main (b) .intro (c) .big (d) .note
5. 5.🎯 Can many elements share the same class? (a) Yes (b) No
6. 6.🎯 Which CSS selector matches this element?
   <h2 class="menu" id="intro">Hello</h2> (a) li (b) #menu (c) #intro (d) .note
7. 7.True or false: li is an id selector. (a) True (b) False
8. 8.🎯 Which element does the selector span style? (a) <span class="note"> (b) <h2 id="logo"> (c) <p> (d) <h1 class="note">
9. 9.🎯 Which CSS selector matches this element?
   <span class="big" id="intro">Hello</span> (a) p (b) #main (c) #intro (d) #big
10. 10.🎯 Which element does the selector h2 style? (a) <li> (b) <div class="red"> (c) <h2 class="red"> (d) <span id="hero">
11. 11.🎯 Which sign starts an id selector? (a) @ (b) . (c) & (d) #
12. 12.🎯 How many elements on a page should have the same id? (a) 2 (b) any number (c) 1 (d) 5
13. 13.🎯 Which element does the selector .note style? (a) <li class="red"> (b) <h2 class="big"> (c) <h2 class="note"> (d) <h2 id="note">
14. 14.True or false: #hero is an element selector. (a) False (b) True
15. 15.🎯 Which element does the selector .note style? (a) <div class="note"> (b) <div id="note"> (c) <span class="red"> (d) <div class="big">
16. 16.🎯 Which element does the selector #logo style? (a) <h2 class="logo"> (b) <li class="menu"> (c) <h2 id="end"> (d) <h2 id="logo">
17. 17.🎯 Which CSS selector matches this element?
    <span class="star" id="main">Hello</span> (a) .main (b) #logo (c) span (d) p
18. 18.🎯 Which element does the selector span style? (a) <h2 id="intro"> (b) <h1 class="menu"> (c) <span class="menu"> (d) <p>
19. 19.True or false: .big is a class selector. (a) False (b) True
20. 20.🎯 Which element does the selector #top style? (a) <h1 id="top"> (b) <h1 id="intro"> (c) <h2 class="star"> (d) <h1 class="top">
21. 21.🎯 Which element does the selector .box style? (a) <span id="box"> (b) <span class="star"> (c) <p class="menu"> (d) <span class="box">
22. 22.🎯 Which element does the selector .red style? (a) <div id="red"> (b) <div class="box"> (c) <div class="red"> (d) <span class="star">
23. 23.🎯 What kind of selector is #main? (a) a class selector (b) an element selector (c) an id selector
24. 24.🎯 Which sign starts a class selector? (a) @ (b) & (c) # (d) .
25. 25.🎯 Which CSS selector matches this element?
    <p class="box" id="end">Hello</p> (a) #box (b) p (c) .star (d) .end
26. 26.🎯 Which element does the selector h1 style? (a) <li class="big"> (b) <h1 class="big"> (c) <h2> (d) <div id="logo">
27. 27.True or false: .big is an element selector. (a) True (b) False
28. 28.🎯 Which CSS selector matches this element?
    <h2 class="red" id="end">Hello</h2> (a) #red (b) .red (c) #hero (d) li
29. 29.True or false: .card is an element selector. (a) True (b) False
30. 30.🎯 What kind of selector is li? (a) a class selector (b) an element selector (c) an id selector
31. 31.🎯 Which element does the selector p style? (a) <h1> (b) <p class="star"> (c) <h2 class="star"> (d) <li id="end">
32. 32.True or false: .menu is a class selector. (a) False (b) True
33. 33.🎯 Which element does the selector .note style? (a) <h1 class="note"> (b) <h1 id="note"> (c) <h2 class="red"> (d) <h1 class="big">
34. 34.🎯 Which CSS selector matches this element?
    <p class="box" id="main">Hello</p> (a) p (b) #logo (c) .star (d) .main
35. 35.🎯 What kind of selector is .note? (a) an id selector (b) an element selector (c) a class selector
36. 36.🎯 Which CSS selector matches this element?
    <h1 class="note" id="main">Hello</h1> (a) h2 (b) .big (c) #note (d) .note
37. 37.🎯 What kind of selector is #end? (a) an element selector (b) an id selector (c) a class selector
38. 38.🎯 Which element does the selector #end style? (a) <li class="menu"> (b) <h2 class="end"> (c) <h2 id="end"> (d) <h2 id="hero">
39. 39.True or false: .menu is an element selector. (a) False (b) True
40. 40.True or false: .card is a class selector. (a) False (b) True

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