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CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 89 · 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.🎯 Which CSS selector matches this element?
    <span class="note" id="end">Hello</span>     (a) #hero (b) #end (c) .big (d) #note
  2. 2.🎯 Which element does the selector h2 style? (a) <li> (b) <span id="main"> (c) <div class="big"> (d) <h2 class="big">
  3. 3.🎯 Which CSS selector matches this element?
    <h2 class="big" id="end">Hello</h2>     (a) .red (b) li (c) #end (d) #big
  4. 4.True or false: img is an id selector. (a) False (b) True
  5. 5.🎯 Which CSS selector matches this element?
    <div class="menu" id="main">Hello</div>     (a) .note (b) #logo (c) #main (d) #menu
  6. 6.🎯 Which sign starts an id selector? (a) # (b) . (c) & (d) @
  7. 7.🎯 Which CSS selector matches this element?
    <div class="note" id="intro">Hello</div>     (a) #main (b) .big (c) .intro (d) #intro
  8. 8.True or false: .big is a class selector. (a) True (b) False
  9. 9.🎯 What kind of selector is #main? (a) an id selector (b) a class selector (c) an element selector
  10. 10.True or false: .card is an element selector. (a) False (b) True
  11. 11.🎯 Which element does the selector #top style? (a) <div class="big"> (b) <li id="top"> (c) <li class="top"> (d) <li id="intro">
  12. 12.🎯 What kind of selector is .big? (a) an id selector (b) a class selector (c) an element selector
  13. 13.🎯 Which CSS selector matches this element?
    <p class="menu" id="end">Hello</p>     (a) .note (b) #hero (c) p (d) .end
  14. 14.🎯 How many elements on a page should have the same id? (a) 5 (b) 2 (c) 1 (d) any number
  15. 15.🎯 Which element does the selector .menu style? (a) <h2 class="note"> (b) <h2 id="menu"> (c) <h2 class="menu"> (d) <li class="big">
  16. 16.🎯 Can many elements share the same class? (a) No (b) Yes
  17. 17.🎯 Which element does the selector p style? (a) <h1> (b) <h2 class="big"> (c) <li id="intro"> (d) <p class="big">
  18. 18.🎯 What kind of selector is h1? (a) a class selector (b) an id selector (c) an element selector
  19. 19.🎯 What kind of selector is .card? (a) an id selector (b) an element selector (c) a class selector
  20. 20.🎯 What kind of selector is .star? (a) an id selector (b) an element selector (c) a class selector
  21. 21.True or false: p is an id selector. (a) True (b) False
  22. 22.🎯 What kind of selector is .note? (a) an id selector (b) a class selector (c) an element selector
  23. 23.True or false: .star is an element selector. (a) True (b) False
  24. 24.🎯 What kind of selector is #end? (a) an id selector (b) an element selector (c) a class selector
  25. 25.🎯 Which element does the selector .big style? (a) <span class="red"> (b) <p class="box"> (c) <span class="big"> (d) <span id="big">
  26. 26.🎯 Which CSS selector matches this element?
    <span class="box" id="intro">Hello</span>     (a) .box (b) .intro (c) .star (d) #main
  27. 27.🎯 Which CSS selector matches this element?
    <span class="menu" id="hero">Hello</span>     (a) #menu (b) #hero (c) .note (d) p
  28. 28.🎯 Which CSS selector matches this element?
    <span class="big" id="logo">Hello</span>     (a) .logo (b) p (c) .big (d) #big
  29. 29.🎯 What kind of selector is #hero? (a) an id selector (b) an element selector (c) a class selector
  30. 30.🎯 Which CSS selector matches this element?
    <h2 class="star" id="hero">Hello</h2>     (a) #top (b) #star (c) h2 (d) .hero
  31. 31.🎯 Which CSS selector matches this element?
    <p class="menu" id="top">Hello</p>     (a) #menu (b) .menu (c) h1 (d) .top
  32. 32.True or false: .star is a class selector. (a) False (b) True
  33. 33.🎯 Which element does the selector p style? (a) <li id="main"> (b) <p class="red"> (c) <h1> (d) <h2 class="red">
  34. 34.🎯 Which sign starts a class selector? (a) . (b) @ (c) # (d) &
  35. 35.True or false: h1 is an id selector. (a) True (b) False
  36. 36.🎯 What kind of selector is .menu? (a) an id selector (b) an element selector (c) a class selector
  37. 37.🎯 Which CSS selector matches this element?
    <div class="menu" id="intro">Hello</div>     (a) #menu (b) .note (c) div (d) .intro
  38. 38.True or false: .card is a class selector. (a) True (b) False
  39. 39.True or false: body is an element selector. (a) False (b) True
  40. 40.🎯 What kind of selector is body? (a) a class selector (b) an element selector (c) an id selector

Answer key

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

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