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CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 157 · 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: .note is a class selector. (a) False (b) True
  2. 2.🎯 Which element does the selector p style? (a) <p class="big"> (b) <h1> (c) <h2 class="big"> (d) <li id="logo">
  3. 3.🎯 Which element does the selector span style? (a) <span class="box"> (b) <h2 id="end"> (c) <h1 class="box"> (d) <p>
  4. 4.🎯 Which sign starts a class selector? (a) @ (b) . (c) # (d) &
  5. 5.🎯 Which element does the selector .menu style? (a) <span id="menu"> (b) <p class="big"> (c) <span class="note"> (d) <span class="menu">
  6. 6.🎯 Which element does the selector .star style? (a) <span id="star"> (b) <span class="star"> (c) <p class="note"> (d) <span class="menu">
  7. 7.🎯 Which CSS selector matches this element?
    <h2 class="big" id="logo">Hello</h2>     (a) .big (b) li (c) .red (d) #end
  8. 8.🎯 Which element does the selector h1 style? (a) <div id="top"> (b) <h1 class="red"> (c) <h2> (d) <li class="red">
  9. 9.🎯 Which element does the selector #end style? (a) <h2 class="end"> (b) <h2 id="hero"> (c) <h2 id="end"> (d) <li class="box">
  10. 10.True or false: #logo is an id selector. (a) False (b) True
  11. 11.🎯 Can many elements share the same class? (a) No (b) Yes
  12. 12.🎯 What kind of selector is p? (a) an element selector (b) a class selector (c) an id selector
  13. 13.True or false: img is an element selector. (a) False (b) True
  14. 14.🎯 Which element does the selector .menu style? (a) <li class="big"> (b) <h2 id="menu"> (c) <h2 class="menu"> (d) <h2 class="note">
  15. 15.True or false: p is an id selector. (a) False (b) True
  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.True or false: .star is an id selector. (a) True (b) False
  19. 19.True or false: .star is a class selector. (a) True (b) False
  20. 20.True or false: .big is an id selector. (a) False (b) True
  21. 21.🎯 Which CSS selector matches this element?
    <h2 class="box" id="logo">Hello</h2>     (a) #box (b) li (c) #end (d) #logo
  22. 22.True or false: #main is an element selector. (a) True (b) False
  23. 23.True or false: .card is a class selector. (a) True (b) False
  24. 24.🎯 What kind of selector is h1? (a) an id selector (b) a class selector (c) an element selector
  25. 25.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="end">Hello</h2>     (a) #menu (b) li (c) #hero (d) #end
  26. 26.🎯 Which CSS selector matches this element?
    <li class="menu" id="logo">Hello</li>     (a) .note (b) #logo (c) .logo (d) div
  27. 27.🎯 What kind of selector is img? (a) an id selector (b) an element selector (c) a class selector
  28. 28.🎯 What kind of selector is #main? (a) an element selector (b) a class selector (c) an id selector
  29. 29.🎯 Which element does the selector h2 style? (a) <div class="note"> (b) <span id="intro"> (c) <h2 class="note"> (d) <li>
  30. 30.True or false: .note is an element selector. (a) True (b) False
  31. 31.🎯 Which element does the selector h1 style? (a) <h1 class="box"> (b) <h2> (c) <div id="main"> (d) <li class="box">
  32. 32.True or false: p is an element selector. (a) True (b) False
  33. 33.🎯 Which element does the selector #main style? (a) <div id="main"> (b) <div id="logo"> (c) <div class="main"> (d) <span class="menu">
  34. 34.True or false: .card is an id selector. (a) True (b) False
  35. 35.True or false: #top is an id selector. (a) True (b) False
  36. 36.🎯 Which element does the selector h1 style? (a) <div id="main"> (b) <li class="star"> (c) <h2> (d) <h1 class="star">
  37. 37.True or false: .menu is a class selector. (a) True (b) False
  38. 38.True or false: h1 is an element selector. (a) False (b) True
  39. 39.🎯 What kind of selector is .big? (a) an element selector (b) a class selector (c) an id selector
  40. 40.True or false: li is an element selector. (a) True (b) False

Answer key

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

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