CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 276 · 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.True or false: .card is an element selector. (a) False (b) True
2. 2.🎯 Which element does the selector #logo style? (a) <div class="red"> (b) <li id="end"> (c) <li class="logo"> (d) <li id="logo">
3. 3.True or false: p is an element selector. (a) False (b) True
4. 4.🎯 Which CSS selector matches this element?
   <li class="menu" id="hero">Hello</li> (a) .note (b) #top (c) #hero (d) div
5. 5.🎯 What kind of selector is h1? (a) a class selector (b) an id selector (c) an element selector
6. 6.🎯 Which sign starts an id selector? (a) & (b) # (c) . (d) @
7. 7.🎯 Which element does the selector .box style? (a) <li id="box"> (b) <li class="box"> (c) <div class="menu"> (d) <li class="star">
8. 8.🎯 Which CSS selector matches this element?
   <div class="red" id="top">Hello</div> (a) #intro (b) #top (c) span (d) #red
9. 9.🎯 Which CSS selector matches this element?
   <h1 class="big" id="top">Hello</h1> (a) h1 (b) #intro (c) .top (d) .red
10. 10.🎯 Which CSS selector matches this element?
    <h1 class="star" id="intro">Hello</h1> (a) .intro (b) #star (c) h2 (d) h1
11. 11.🎯 Which element does the selector div style? (a) <div class="red"> (b) <h1 id="intro"> (c) <span> (d) <p class="red">
12. 12.🎯 Which element does the selector .red style? (a) <p class="box"> (b) <p id="red"> (c) <p class="red"> (d) <h1 class="star">
13. 13.🎯 Which element does the selector p style? (a) <li id="intro"> (b) <h2 class="red"> (c) <p class="red"> (d) <h1>
14. 14.🎯 Can many elements share the same class? (a) No (b) Yes
15. 15.🎯 How many elements on a page should have the same id? (a) 2 (b) 1 (c) 5 (d) any number
16. 16.🎯 Which sign starts a class selector? (a) @ (b) # (c) . (d) &
17. 17.True or false: body is an element selector. (a) True (b) False
18. 18.🎯 What kind of selector is .note? (a) a class selector (b) an id selector (c) an element selector
19. 19.🎯 What kind of selector is #top? (a) a class selector (b) an id selector (c) an element selector
20. 20.True or false: .star is an id selector. (a) False (b) True
21. 21.🎯 Which element does the selector .note style? (a) <div class="big"> (b) <div class="note"> (c) <span class="red"> (d) <div id="note">
22. 22.🎯 Which CSS selector matches this element?
    <div class="star" id="main">Hello</div> (a) #logo (b) span (c) div (d) #star
23. 23.🎯 Which CSS selector matches this element?
    <h1 class="big" id="hero">Hello</h1> (a) .red (b) .hero (c) h1 (d) #big
24. 24.🎯 Which CSS selector matches this element?
    <p class="red" id="intro">Hello</p> (a) .box (b) p (c) h1 (d) #main
25. 25.🎯 Which element does the selector span style? (a) <h1 class="big"> (b) <h2 id="hero"> (c) <span class="big"> (d) <p>
26. 26.🎯 What kind of selector is #hero? (a) an element selector (b) an id selector (c) a class selector
27. 27.🎯 What kind of selector is #logo? (a) an id selector (b) a class selector (c) an element selector
28. 28.🎯 Which CSS selector matches this element?
    <p class="note" id="hero">Hello</p> (a) .hero (b) h1 (c) #top (d) #hero
29. 29.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="logo">Hello</h2> (a) h2 (b) li (c) .note (d) #menu
30. 30.🎯 Which element does the selector li style? (a) <p id="logo"> (b) <div> (c) <span class="note"> (d) <li class="note">
31. 31.🎯 Which element does the selector #hero style? (a) <div class="hero"> (b) <span class="menu"> (c) <div id="top"> (d) <div id="hero">
32. 32.True or false: .note is a class selector. (a) False (b) True
33. 33.True or false: .note is an id selector. (a) False (b) True
34. 34.🎯 Which element does the selector #logo style? (a) <h1 id="end"> (b) <h1 class="logo"> (c) <h1 id="logo"> (d) <h2 class="note">
35. 35.True or false: img is a class selector. (a) True (b) False
36. 36.True or false: .note is an element selector. (a) False (b) True
37. 37.🎯 What kind of selector is .card? (a) an element selector (b) an id selector (c) a class selector
38. 38.🎯 Which CSS selector matches this element?
    <div class="menu" id="intro">Hello</div> (a) #main (b) .note (c) .intro (d) #intro
39. 39.🎯 Which element does the selector span style? (a) <p> (b) <h1 class="note"> (c) <h2 id="end"> (d) <span class="note">
40. 40.🎯 Which element does the selector h1 style? (a) <h2> (b) <li class="box"> (c) <div id="top"> (d) <h1 class="box">

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