CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 583 · 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: h1 is a class selector. (a) True (b) False
2. 2.🎯 Which CSS selector matches this element?
   <li class="red" id="logo">Hello</li> (a) #end (b) .red (c) div (d) #red
3. 3.🎯 Which element does the selector h2 style? (a) <div class="note"> (b) <h2 class="note"> (c) <span id="logo"> (d) <li>
4. 4.True or false: h1 is an element selector. (a) False (b) True
5. 5.🎯 Which CSS selector matches this element?
   <p class="note" id="hero">Hello</p> (a) .big (b) h1 (c) #top (d) .note
6. 6.🎯 Which sign starts a class selector? (a) . (b) @ (c) # (d) &
7. 7.🎯 Which sign starts an id selector? (a) . (b) @ (c) # (d) &
8. 8.🎯 Can many elements share the same class? (a) No (b) Yes
9. 9.True or false: .card is an element selector. (a) False (b) True
10. 10.🎯 What kind of selector is #top? (a) an id selector (b) a class selector (c) an element selector
11. 11.🎯 What kind of selector is #hero? (a) a class selector (b) an id selector (c) an element selector
12. 12.🎯 What kind of selector is #end? (a) an element selector (b) an id selector (c) a class selector
13. 13.True or false: #main is an id selector. (a) False (b) True
14. 14.True or false: .star is an element selector. (a) True (b) False
15. 15.🎯 Which CSS selector matches this element?
    <span class="big" id="main">Hello</span> (a) .big (b) .red (c) .main (d) #big
16. 16.🎯 Which element does the selector h2 style? (a) <li> (b) <div class="star"> (c) <h2 class="star"> (d) <span id="top">
17. 17.True or false: #end is an element selector. (a) False (b) True
18. 18.🎯 What kind of selector is body? (a) an id selector (b) a class selector (c) an element selector
19. 19.🎯 Which element does the selector div style? (a) <div class="red"> (b) <p class="red"> (c) <h1 id="intro"> (d) <span>
20. 20.🎯 What kind of selector is .note? (a) an element selector (b) an id selector (c) a class selector
21. 21.True or false: body is an id selector. (a) False (b) True
22. 22.🎯 Which CSS selector matches this element?
    <li class="star" id="top">Hello</li> (a) div (b) .star (c) #star (d) .menu
23. 23.🎯 Which element does the selector #logo style? (a) <li id="end"> (b) <li id="logo"> (c) <div class="star"> (d) <li class="logo">
24. 24.🎯 What kind of selector is .big? (a) an element selector (b) a class selector (c) an id selector
25. 25.🎯 Which CSS selector matches this element?
    <li class="note" id="logo">Hello</li> (a) #note (b) .big (c) li (d) div
26. 26.🎯 Which CSS selector matches this element?
    <h2 class="big" id="top">Hello</h2> (a) .big (b) .red (c) .top (d) #intro
27. 27.🎯 What kind of selector is p? (a) a class selector (b) an id selector (c) an element selector
28. 28.True or false: .card is a class selector. (a) True (b) False
29. 29.🎯 Which element does the selector p style? (a) <h1> (b) <li id="main"> (c) <p class="menu"> (d) <h2 class="menu">
30. 30.🎯 What kind of selector is img? (a) a class selector (b) an element selector (c) an id selector
31. 31.🎯 Which element does the selector #end style? (a) <div id="hero"> (b) <div class="end"> (c) <span class="star"> (d) <div id="end">
32. 32.🎯 Which element does the selector li style? (a) <p id="intro"> (b) <span class="star"> (c) <li class="star"> (d) <div>
33. 33.🎯 Which CSS selector matches this element?
    <p class="menu" id="top">Hello</p> (a) .top (b) #top (c) .note (d) h1
34. 34.🎯 Which CSS selector matches this element?
    <li class="big" id="top">Hello</li> (a) div (b) #big (c) #top (d) #intro
35. 35.🎯 What kind of selector is #logo? (a) an element selector (b) an id selector (c) a class selector
36. 36.🎯 Which element does the selector #top style? (a) <div id="intro"> (b) <div id="top"> (c) <span class="menu"> (d) <div class="top">
37. 37.🎯 What kind of selector is h1? (a) an id selector (b) an element selector (c) a class selector
38. 38.🎯 Which CSS selector matches this element?
    <h1 class="box" id="hero">Hello</h1> (a) #top (b) h2 (c) .star (d) h1
39. 39.🎯 Which CSS selector matches this element?
    <li class="big" id="logo">Hello</li> (a) #end (b) .logo (c) #logo (d) #big
40. 40.🎯 Which element does the selector div style? (a) <div class="note"> (b) <p class="note"> (c) <h1 id="intro"> (d) <span>

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