CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 382 · 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 CSS selector matches this element?
   <h1 class="note" id="hero">Hello</h1> (a) #hero (b) .big (c) #top (d) .hero
2. 2.True or false: .card is an element selector. (a) True (b) False
3. 3.🎯 Which CSS selector matches this element?
   <h1 class="star" id="end">Hello</h1> (a) .menu (b) h2 (c) #star (d) h1
4. 4.🎯 What kind of selector is .card? (a) a class selector (b) an id selector (c) an element selector
5. 5.🎯 Can many elements share the same class? (a) Yes (b) No
6. 6.🎯 Which sign starts a class selector? (a) @ (b) . (c) # (d) &
7. 7.🎯 Which CSS selector matches this element?
   <li class="menu" id="end">Hello</li> (a) .menu (b) #hero (c) .note (d) .end
8. 8.🎯 What kind of selector is #hero? (a) an element selector (b) an id selector (c) a class selector
9. 9.True or false: #top is an id selector. (a) False (b) True
10. 10.True or false: h1 is a class selector. (a) True (b) False
11. 11.🎯 Which element does the selector .box style? (a) <p class="menu"> (b) <span class="star"> (c) <span id="box"> (d) <span class="box">
12. 12.True or false: img is an id selector. (a) True (b) False
13. 13.True or false: body is an id selector. (a) False (b) True
14. 14.🎯 Which CSS selector matches this element?
    <li class="big" id="main">Hello</li> (a) li (b) #big (c) .red (d) .main
15. 15.🎯 Which CSS selector matches this element?
    <p class="star" id="top">Hello</p> (a) p (b) #star (c) .menu (d) .top
16. 16.🎯 Which element does the selector p style? (a) <li id="main"> (b) <h1> (c) <h2 class="note"> (d) <p class="note">
17. 17.🎯 What kind of selector is #end? (a) a class selector (b) an element selector (c) an id selector
18. 18.🎯 Which element does the selector .big style? (a) <h2 class="box"> (b) <h1 class="red"> (c) <h1 id="big"> (d) <h1 class="big">
19. 19.🎯 Which element does the selector div style? (a) <h1 id="hero"> (b) <div class="red"> (c) <span> (d) <p class="red">
20. 20.🎯 What kind of selector is img? (a) a class selector (b) an element selector (c) an id selector
21. 21.🎯 What kind of selector is .big? (a) an element selector (b) a class selector (c) an id selector
22. 22.True or false: #hero is an element selector. (a) True (b) False
23. 23.🎯 Which element does the selector #end style? (a) <h1 class="end"> (b) <h2 class="star"> (c) <h1 id="hero"> (d) <h1 id="end">
24. 24.🎯 Which CSS selector matches this element?
    <span class="note" id="main">Hello</span> (a) #note (b) p (c) span (d) .big
25. 25.🎯 Which CSS selector matches this element?
    <h2 class="big" id="top">Hello</h2> (a) .top (b) #big (c) .red (d) .big
26. 26.True or false: #end is an id selector. (a) False (b) True
27. 27.True or false: body is an element selector. (a) False (b) True
28. 28.🎯 Which element does the selector p style? (a) <p class="big"> (b) <h2 class="big"> (c) <h1> (d) <li id="intro">
29. 29.🎯 Which CSS selector matches this element?
    <div class="box" id="intro">Hello</div> (a) span (b) .star (c) div (d) .intro
30. 30.🎯 What kind of selector is #logo? (a) an element selector (b) an id selector (c) a class selector
31. 31.🎯 Which sign starts an id selector? (a) . (b) & (c) @ (d) #
32. 32.🎯 Which CSS selector matches this element?
    <li class="red" id="main">Hello</li> (a) #red (b) .main (c) #logo (d) .red
33. 33.🎯 Which CSS selector matches this element?
    <li class="note" id="end">Hello</li> (a) .end (b) #note (c) li (d) #hero
34. 34.🎯 Which element does the selector .menu style? (a) <span class="menu"> (b) <span id="menu"> (c) <span class="note"> (d) <p class="big">
35. 35.🎯 Which element does the selector p style? (a) <h1> (b) <h2 class="red"> (c) <li id="logo"> (d) <p class="red">
36. 36.🎯 Which element does the selector #end style? (a) <h2 id="hero"> (b) <h2 class="end"> (c) <h2 id="end"> (d) <li class="red">
37. 37.🎯 Which element does the selector .red style? (a) <span class="box"> (b) <p class="star"> (c) <span id="red"> (d) <span class="red">
38. 38.🎯 Which element does the selector #main style? (a) <p id="logo"> (b) <h1 class="box"> (c) <p class="main"> (d) <p id="main">
39. 39.🎯 Which CSS selector matches this element?
    <p class="red" id="top">Hello</p> (a) .box (b) p (c) h1 (d) #intro
40. 40.🎯 Which CSS selector matches this element?
    <div class="menu" id="intro">Hello</div> (a) #menu (b) .intro (c) .note (d) .menu

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