CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 117 · 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.🎯 What kind of selector is #top? (a) an element selector (b) a class selector (c) an id selector
2. 2.🎯 Which element does the selector .red style? (a) <li class="box"> (b) <li class="red"> (c) <div class="star"> (d) <li id="red">
3. 3.🎯 Which element does the selector .menu style? (a) <span class="menu"> (b) <span class="note"> (c) <span id="menu"> (d) <p class="big">
4. 4.True or false: .note is an id selector. (a) True (b) False
5. 5.🎯 What kind of selector is .big? (a) an id selector (b) an element selector (c) a class selector
6. 6.🎯 Which element does the selector #hero style? (a) <h2 id="top"> (b) <h2 class="hero"> (c) <li class="big"> (d) <h2 id="hero">
7. 7.🎯 Which sign starts an id selector? (a) @ (b) . (c) & (d) #
8. 8.True or false: .star is an id selector. (a) False (b) True
9. 9.🎯 Which CSS selector matches this element?
   <li class="box" id="end">Hello</li> (a) .end (b) #box (c) .box (d) div
10. 10.True or false: .card is an element selector. (a) False (b) True
11. 11.🎯 Which CSS selector matches this element?
    <h1 class="box" id="hero">Hello</h1> (a) #top (b) h2 (c) .star (d) #hero
12. 12.🎯 How many elements on a page should have the same id? (a) any number (b) 1 (c) 5 (d) 2
13. 13.🎯 Which CSS selector matches this element?
    <span class="note" id="main">Hello</span> (a) .big (b) #note (c) .note (d) .main
14. 14.🎯 What kind of selector is #end? (a) a class selector (b) an id selector (c) an element selector
15. 15.🎯 Which element does the selector h1 style? (a) <li class="note"> (b) <h2> (c) <div id="main"> (d) <h1 class="note">
16. 16.🎯 Which element does the selector .box style? (a) <li id="box"> (b) <li class="box"> (c) <li class="star"> (d) <div class="menu">
17. 17.🎯 Which CSS selector matches this element?
    <p class="box" id="logo">Hello</p> (a) p (b) .star (c) .logo (d) #box
18. 18.🎯 Can many elements share the same class? (a) Yes (b) No
19. 19.🎯 Which CSS selector matches this element?
    <li class="red" id="top">Hello</li> (a) .top (b) .red (c) div (d) #red
20. 20.🎯 Which CSS selector matches this element?
    <div class="star" id="end">Hello</div> (a) #star (b) .menu (c) #hero (d) div
21. 21.True or false: body is an element selector. (a) False (b) True
22. 22.🎯 Which CSS selector matches this element?
    <p class="star" id="end">Hello</p> (a) .star (b) .menu (c) #hero (d) h1
23. 23.🎯 What kind of selector is #main? (a) an element selector (b) an id selector (c) a class selector
24. 24.🎯 Which element does the selector .star style? (a) <h1 id="star"> (b) <h1 class="menu"> (c) <h2 class="note"> (d) <h1 class="star">
25. 25.True or false: #top is an element selector. (a) True (b) False
26. 26.🎯 What kind of selector is p? (a) a class selector (b) an id selector (c) an element selector
27. 27.🎯 What kind of selector is li? (a) a class selector (b) an element selector (c) an id selector
28. 28.🎯 Which element does the selector .red style? (a) <p class="star"> (b) <span class="box"> (c) <span id="red"> (d) <span class="red">
29. 29.🎯 What kind of selector is h1? (a) an id selector (b) a class selector (c) an element selector
30. 30.🎯 Which element does the selector li style? (a) <div> (b) <p id="logo"> (c) <li class="box"> (d) <span class="box">
31. 31.🎯 Which element does the selector #hero style? (a) <span class="hero"> (b) <span id="hero"> (c) <span id="top"> (d) <p class="note">
32. 32.🎯 Which CSS selector matches this element?
    <p class="star" id="end">Hello</p> (a) #hero (b) h1 (c) #star (d) p
33. 33.True or false: li is an id selector. (a) False (b) True
34. 34.🎯 Which element does the selector #logo style? (a) <span class="note"> (b) <div class="logo"> (c) <div id="end"> (d) <div id="logo">
35. 35.True or false: .menu is a class selector. (a) True (b) False
36. 36.🎯 Which CSS selector matches this element?
    <h2 class="box" id="intro">Hello</h2> (a) .intro (b) li (c) .star (d) h2
37. 37.🎯 Which sign starts a class selector? (a) # (b) @ (c) & (d) .
38. 38.🎯 Which element does the selector span style? (a) <h1 class="box"> (b) <p> (c) <h2 id="main"> (d) <span class="box">
39. 39.True or false: #top is an id selector. (a) False (b) True
40. 40.🎯 What kind of selector is .card? (a) an element selector (b) an id selector (c) a class selector

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