CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 923 · 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.🎯 Which element does the selector .star style? (a) <h2 class="star"> (b) <h2 class="menu"> (c) <li class="note"> (d) <h2 id="star">
2. 2.🎯 What kind of selector is .menu? (a) a class selector (b) an id selector (c) an element selector
3. 3.🎯 Which sign starts a class selector? (a) # (b) . (c) & (d) @
4. 4.🎯 Which CSS selector matches this element?
   <div class="star" id="top">Hello</div> (a) #intro (b) .star (c) span (d) .top
5. 5.🎯 Which sign starts an id selector? (a) & (b) # (c) @ (d) .
6. 6.🎯 Which element does the selector span style? (a) <span class="big"> (b) <h2 id="hero"> (c) <h1 class="big"> (d) <p>
7. 7.🎯 Which CSS selector matches this element?
   <h1 class="star" id="intro">Hello</h1> (a) #intro (b) #star (c) h2 (d) #main
8. 8.True or false: .menu is a class selector. (a) True (b) False
9. 9.🎯 Which element does the selector span style? (a) <p> (b) <h1 class="red"> (c) <span class="red"> (d) <h2 id="logo">
10. 10.🎯 How many elements on a page should have the same id? (a) 1 (b) any number (c) 2 (d) 5
11. 11.🎯 Which element does the selector #hero style? (a) <h1 class="red"> (b) <p class="hero"> (c) <p id="hero"> (d) <p id="top">
12. 12.🎯 What kind of selector is .note? (a) a class selector (b) an id selector (c) an element selector
13. 13.🎯 Which CSS selector matches this element?
    <p class="star" id="intro">Hello</p> (a) #star (b) #main (c) .intro (d) #intro
14. 14.🎯 Which CSS selector matches this element?
    <div class="note" id="intro">Hello</div> (a) #main (b) .intro (c) div (d) #note
15. 15.🎯 Which CSS selector matches this element?
    <div class="note" id="intro">Hello</div> (a) span (b) #main (c) .note (d) .intro
16. 16.🎯 What kind of selector is #end? (a) an id selector (b) a class selector (c) an element selector
17. 17.🎯 Which CSS selector matches this element?
    <h2 class="star" id="end">Hello</h2> (a) #hero (b) #star (c) .end (d) h2
18. 18.🎯 Can many elements share the same class? (a) Yes (b) No
19. 19.🎯 Which element does the selector .star style? (a) <p class="note"> (b) <span id="star"> (c) <span class="menu"> (d) <span class="star">
20. 20.🎯 Which element does the selector h2 style? (a) <li> (b) <h2 class="box"> (c) <div class="box"> (d) <span id="end">
21. 21.🎯 Which element does the selector .note style? (a) <h2 class="note"> (b) <h2 id="note"> (c) <li class="red"> (d) <h2 class="big">
22. 22.🎯 What kind of selector is body? (a) an id selector (b) a class selector (c) an element selector
23. 23.🎯 Which CSS selector matches this element?
    <h1 class="menu" id="end">Hello</h1> (a) .end (b) .menu (c) #menu (d) .note
24. 24.🎯 Which element does the selector .star style? (a) <span class="note"> (b) <div class="menu"> (c) <div id="star"> (d) <div class="star">
25. 25.True or false: p is an element selector. (a) False (b) True
26. 26.🎯 Which CSS selector matches this element?
    <p class="red" id="end">Hello</p> (a) h1 (b) #red (c) #end (d) #hero
27. 27.🎯 What kind of selector is p? (a) an element selector (b) a class selector (c) an id selector
28. 28.🎯 Which CSS selector matches this element?
    <span class="star" id="top">Hello</span> (a) #intro (b) .menu (c) p (d) .star
29. 29.True or false: #hero is a class selector. (a) True (b) False
30. 30.🎯 Which CSS selector matches this element?
    <span class="menu" id="intro">Hello</span> (a) #menu (b) #main (c) span (d) p
31. 31.True or false: body is a class selector. (a) False (b) True
32. 32.🎯 What kind of selector is .big? (a) an element selector (b) a class selector (c) an id selector
33. 33.🎯 Which element does the selector .big style? (a) <h2 id="big"> (b) <h2 class="red"> (c) <li class="box"> (d) <h2 class="big">
34. 34.🎯 What kind of selector is .card? (a) a class selector (b) an element selector (c) an id selector
35. 35.🎯 Which CSS selector matches this element?
    <span class="red" id="logo">Hello</span> (a) .box (b) .logo (c) #logo (d) #red
36. 36.🎯 Which element does the selector span style? (a) <p> (b) <h2 id="intro"> (c) <span class="note"> (d) <h1 class="note">
37. 37.🎯 Which element does the selector p style? (a) <p class="big"> (b) <li id="intro"> (c) <h2 class="big"> (d) <h1>
38. 38.🎯 Which element does the selector #main style? (a) <h2 class="red"> (b) <h1 id="logo"> (c) <h1 id="main"> (d) <h1 class="main">
39. 39.True or false: .card is an element selector. (a) False (b) True
40. 40.🎯 Which element does the selector .big style? (a) <li class="red"> (b) <li class="big"> (c) <li id="big"> (d) <div class="box">

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