CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 806 · 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 .big style? (a) <p class="box"> (b) <span id="big"> (c) <span class="red"> (d) <span class="big">
2. 2.🎯 Which CSS selector matches this element?
   <p class="star" id="main">Hello</p> (a) #main (b) h1 (c) .main (d) .menu
3. 3.True or false: #end is an element selector. (a) False (b) True
4. 4.🎯 What kind of selector is #main? (a) an element selector (b) a class selector (c) an id selector
5. 5.🎯 Which CSS selector matches this element?
   <p class="menu" id="intro">Hello</p> (a) #main (b) h1 (c) .intro (d) #intro
6. 6.🎯 What kind of selector is #top? (a) a class selector (b) an id selector (c) an element selector
7. 7.🎯 Which element does the selector h2 style? (a) <h2 class="box"> (b) <div class="box"> (c) <li> (d) <span id="end">
8. 8.🎯 Which element does the selector div style? (a) <p class="star"> (b) <span> (c) <div class="star"> (d) <h1 id="main">
9. 9.True or false: #top is a class selector. (a) True (b) False
10. 10.True or false: #end is an id selector. (a) True (b) False
11. 11.True or false: .menu is a class selector. (a) False (b) True
12. 12.True or false: #main is an id selector. (a) True (b) False
13. 13.🎯 What kind of selector is img? (a) a class selector (b) an id selector (c) an element selector
14. 14.🎯 Which CSS selector matches this element?
    <p class="box" id="top">Hello</p> (a) h1 (b) .star (c) .box (d) #box
15. 15.🎯 What kind of selector is p? (a) a class selector (b) an id selector (c) an element selector
16. 16.🎯 Which CSS selector matches this element?
    <h1 class="box" id="hero">Hello</h1> (a) #box (b) h1 (c) h2 (d) #top
17. 17.🎯 Which CSS selector matches this element?
    <div class="note" id="end">Hello</div> (a) div (b) #note (c) #hero (d) span
18. 18.True or false: .star is an id selector. (a) True (b) False
19. 19.🎯 Which element does the selector h2 style? (a) <div class="big"> (b) <li> (c) <span id="logo"> (d) <h2 class="big">
20. 20.True or false: li is an element selector. (a) True (b) False
21. 21.🎯 Which element does the selector #end style? (a) <h2 class="end"> (b) <li class="star"> (c) <h2 id="hero"> (d) <h2 id="end">
22. 22.🎯 Which CSS selector matches this element?
    <li class="box" id="hero">Hello</li> (a) #top (b) div (c) .box (d) .star
23. 23.True or false: .card is an element selector. (a) True (b) False
24. 24.🎯 Which CSS selector matches this element?
    <li class="red" id="top">Hello</li> (a) .box (b) #intro (c) #top (d) div
25. 25.True or false: .big is a class selector. (a) True (b) False
26. 26.🎯 What kind of selector is #end? (a) an element selector (b) a class selector (c) an id selector
27. 27.🎯 Which element does the selector #top style? (a) <span class="box"> (b) <div id="top"> (c) <div class="top"> (d) <div id="intro">
28. 28.🎯 Which element does the selector p style? (a) <h2 class="star"> (b) <p class="star"> (c) <h1> (d) <li id="main">
29. 29.🎯 What kind of selector is h1? (a) a class selector (b) an id selector (c) an element selector
30. 30.🎯 Which CSS selector matches this element?
    <h1 class="box" id="hero">Hello</h1> (a) .box (b) #box (c) #top (d) .hero
31. 31.True or false: .big is an element selector. (a) True (b) False
32. 32.🎯 Can many elements share the same class? (a) Yes (b) No
33. 33.🎯 Which CSS selector matches this element?
    <li class="note" id="end">Hello</li> (a) li (b) #note (c) .big (d) #hero
34. 34.🎯 What kind of selector is #logo? (a) a class selector (b) an element selector (c) an id selector
35. 35.🎯 Which CSS selector matches this element?
    <h2 class="big" id="top">Hello</h2> (a) .big (b) li (c) #intro (d) .top
36. 36.🎯 Which sign starts a class selector? (a) & (b) @ (c) # (d) .
37. 37.🎯 Which sign starts an id selector? (a) . (b) & (c) # (d) @
38. 38.🎯 Which element does the selector li style? (a) <span class="note"> (b) <p id="end"> (c) <li class="note"> (d) <div>
39. 39.🎯 Which element does the selector .note style? (a) <h2 class="note"> (b) <h2 id="note"> (c) <h2 class="big"> (d) <li class="red">
40. 40.🎯 Which element does the selector .note style? (a) <span class="big"> (b) <p class="red"> (c) <span id="note"> (d) <span class="note">

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