CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 44 · 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?
   <p class="big" id="intro">Hello</p> (a) p (b) #big (c) #main (d) .intro
2. 2.🎯 Which element does the selector span style? (a) <span class="menu"> (b) <h2 id="hero"> (c) <p> (d) <h1 class="menu">
3. 3.🎯 Which sign starts an id selector? (a) # (b) . (c) & (d) @
4. 4.🎯 Which sign starts a class selector? (a) # (b) @ (c) . (d) &
5. 5.🎯 How many elements on a page should have the same id? (a) 1 (b) 2 (c) any number (d) 5
6. 6.🎯 Which element does the selector #hero style? (a) <h1 class="menu"> (b) <p class="hero"> (c) <p id="top"> (d) <p id="hero">
7. 7.🎯 Which element does the selector #top style? (a) <p id="intro"> (b) <p id="top"> (c) <p class="top"> (d) <h1 class="box">
8. 8.🎯 Which CSS selector matches this element?
   <p class="red" id="intro">Hello</p> (a) #red (b) h1 (c) #intro (d) .intro
9. 9.🎯 Which element does the selector .menu style? (a) <div id="menu"> (b) <div class="note"> (c) <span class="big"> (d) <div class="menu">
10. 10.True or false: h1 is an element selector. (a) False (b) True
11. 11.True or false: .card is a class selector. (a) True (b) False
12. 12.🎯 Which element does the selector p style? (a) <h1> (b) <li id="top"> (c) <p class="box"> (d) <h2 class="box">
13. 13.🎯 Which element does the selector #hero style? (a) <span class="star"> (b) <div class="hero"> (c) <div id="top"> (d) <div id="hero">
14. 14.🎯 What kind of selector is p? (a) a class selector (b) an id selector (c) an element selector
15. 15.🎯 What kind of selector is body? (a) an id selector (b) an element selector (c) a class selector
16. 16.True or false: .menu is an id selector. (a) True (b) False
17. 17.🎯 What kind of selector is .card? (a) an id selector (b) an element selector (c) a class selector
18. 18.🎯 Which element does the selector div style? (a) <p class="star"> (b) <h1 id="end"> (c) <div class="star"> (d) <span>
19. 19.🎯 What kind of selector is .big? (a) an id selector (b) an element selector (c) a class selector
20. 20.🎯 Which CSS selector matches this element?
    <div class="box" id="end">Hello</div> (a) .end (b) #hero (c) span (d) #end
21. 21.True or false: .big is a class selector. (a) False (b) True
22. 22.True or false: #logo is an id selector. (a) False (b) True
23. 23.🎯 Which element does the selector h2 style? (a) <h2 class="note"> (b) <span id="main"> (c) <div class="note"> (d) <li>
24. 24.🎯 Which element does the selector .note style? (a) <div class="red"> (b) <li class="big"> (c) <li id="note"> (d) <li class="note">
25. 25.🎯 Which CSS selector matches this element?
    <span class="note" id="main">Hello</span> (a) .main (b) #logo (c) .note (d) p
26. 26.🎯 What kind of selector is .note? (a) an element selector (b) a class selector (c) an id selector
27. 27.🎯 What kind of selector is #end? (a) an element selector (b) a class selector (c) an id selector
28. 28.🎯 Can many elements share the same class? (a) No (b) Yes
29. 29.🎯 What kind of selector is .star? (a) an element selector (b) an id selector (c) a class selector
30. 30.🎯 Which element does the selector li style? (a) <span class="note"> (b) <p id="end"> (c) <li class="note"> (d) <div>
31. 31.🎯 Which CSS selector matches this element?
    <p class="note" id="end">Hello</p> (a) .big (b) .note (c) h1 (d) #hero
32. 32.🎯 Which CSS selector matches this element?
    <div class="menu" id="main">Hello</div> (a) .note (b) #menu (c) #main (d) .main
33. 33.🎯 Which element does the selector .note style? (a) <h1 class="note"> (b) <h1 id="note"> (c) <h1 class="big"> (d) <h2 class="red">
34. 34.🎯 Which element does the selector #end style? (a) <li class="menu"> (b) <h2 id="end"> (c) <h2 class="end"> (d) <h2 id="hero">
35. 35.True or false: body is an id selector. (a) False (b) True
36. 36.🎯 Which CSS selector matches this element?
    <h1 class="menu" id="hero">Hello</h1> (a) h1 (b) h2 (c) .note (d) .hero
37. 37.🎯 Which element does the selector #end style? (a) <div id="hero"> (b) <div class="end"> (c) <span class="big"> (d) <div id="end">
38. 38.True or false: h1 is an id selector. (a) True (b) False
39. 39.🎯 Which element does the selector .menu style? (a) <h2 id="menu"> (b) <h2 class="note"> (c) <h2 class="menu"> (d) <li class="big">
40. 40.True or false: .big is an id selector. (a) True (b) False

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