← Selectors: element, class and id lesson New set →

CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 53 · 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 sign starts an id selector? (a) & (b) @ (c) # (d) .
  2. 2.🎯 What kind of selector is body? (a) an id selector (b) a class selector (c) an element selector
  3. 3.True or false: h1 is a class selector. (a) False (b) True
  4. 4.🎯 Which CSS selector matches this element?
    <h1 class="big" id="hero">Hello</h1>     (a) #top (b) h2 (c) h1 (d) .hero
  5. 5.🎯 Which CSS selector matches this element?
    <span class="note" id="top">Hello</span>     (a) .big (b) #note (c) #intro (d) #top
  6. 6.True or false: .big is an id selector. (a) False (b) True
  7. 7.True or false: .star is a class selector. (a) False (b) True
  8. 8.🎯 What kind of selector is h1? (a) an id selector (b) a class selector (c) an element selector
  9. 9.🎯 Which sign starts a class selector? (a) @ (b) & (c) . (d) #
  10. 10.🎯 What kind of selector is .card? (a) an id selector (b) an element selector (c) a class selector
  11. 11.🎯 How many elements on a page should have the same id? (a) 2 (b) 1 (c) any number (d) 5
  12. 12.True or false: img is a class selector. (a) True (b) False
  13. 13.🎯 Which CSS selector matches this element?
    <span class="box" id="top">Hello</span>     (a) .star (b) #intro (c) .top (d) span
  14. 14.True or false: body is a class selector. (a) False (b) True
  15. 15.🎯 Which CSS selector matches this element?
    <span class="box" id="hero">Hello</span>     (a) .box (b) #box (c) .hero (d) .star
  16. 16.🎯 Which CSS selector matches this element?
    <p class="note" id="top">Hello</p>     (a) .big (b) .note (c) #note (d) .top
  17. 17.🎯 What kind of selector is #end? (a) an id selector (b) a class selector (c) an element selector
  18. 18.🎯 Which CSS selector matches this element?
    <span class="menu" id="logo">Hello</span>     (a) p (b) #menu (c) .logo (d) #logo
  19. 19.🎯 What kind of selector is li? (a) an element selector (b) an id selector (c) a class selector
  20. 20.True or false: .card is a class selector. (a) False (b) True
  21. 21.True or false: #top is an id selector. (a) True (b) False
  22. 22.🎯 Which element does the selector .note style? (a) <p class="note"> (b) <p id="note"> (c) <p class="big"> (d) <h1 class="red">
  23. 23.🎯 What kind of selector is .star? (a) an element selector (b) an id selector (c) a class selector
  24. 24.True or false: #logo is an element selector. (a) True (b) False
  25. 25.True or false: .big is a class selector. (a) True (b) False
  26. 26.🎯 What kind of selector is p? (a) an id selector (b) an element selector (c) a class selector
  27. 27.🎯 Which CSS selector matches this element?
    <p class="star" id="hero">Hello</p>     (a) .hero (b) h1 (c) #star (d) p
  28. 28.🎯 Which element does the selector .red style? (a) <span class="box"> (b) <span class="red"> (c) <p class="star"> (d) <span id="red">
  29. 29.🎯 Which CSS selector matches this element?
    <div class="red" id="top">Hello</div>     (a) .red (b) #intro (c) span (d) .top
  30. 30.🎯 What kind of selector is .menu? (a) a class selector (b) an id selector (c) an element selector
  31. 31.🎯 Which CSS selector matches this element?
    <li class="note" id="top">Hello</li>     (a) li (b) #note (c) .top (d) #intro
  32. 32.🎯 What kind of selector is .big? (a) an id selector (b) a class selector (c) an element selector
  33. 33.🎯 Which element does the selector #end style? (a) <li class="star"> (b) <h2 id="hero"> (c) <h2 id="end"> (d) <h2 class="end">
  34. 34.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="main">Hello</h2>     (a) h2 (b) .note (c) .main (d) #menu
  35. 35.🎯 Which element does the selector .menu style? (a) <h2 class="menu"> (b) <h2 id="menu"> (c) <li class="big"> (d) <h2 class="note">
  36. 36.🎯 Which CSS selector matches this element?
    <li class="star" id="logo">Hello</li>     (a) div (b) #end (c) .star (d) #star
  37. 37.True or false: .menu is a class selector. (a) True (b) False
  38. 38.🎯 Which element does the selector #end style? (a) <span id="hero"> (b) <span id="end"> (c) <p class="note"> (d) <span class="end">
  39. 39.🎯 Can many elements share the same class? (a) No (b) Yes
  40. 40.🎯 Which CSS selector matches this element?
    <li class="big" id="intro">Hello</li>     (a) li (b) div (c) .intro (d) #big

Answer key

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

Free html and css lessons, practice and worksheets at talentjr.in/html-css-for-kids