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CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 954 · 40 questions
TalentJR

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.

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

Answer key

  1. False
  2. <h1 id="top">
  3. p
  4. <h1 class="red">
  5. an element selector
  6. <h2 class="big">
  7. a class selector
  8. <li id="main">
  9. False
  10. .note
  11. Yes
  12. .
  13. div
  14. <span id="intro">
  15. an id selector
  16. an id selector
  17. #
  18. <p class="menu">
  19. <div class="star">
  20. h1
  21. <li class="menu">
  22. span
  23. False
  24. True
  25. <span class="big">
  26. #logo
  27. an element selector
  28. a class selector
  29. div
  30. <h2 id="hero">
  31. a class selector
  32. <span id="top">
  33. True
  34. False
  35. <li class="red">
  36. True
  37. #main
  38. False
  39. <h2 id="main">
  40. True

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