CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 523 · 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 CSS selector matches this element?
   <h1 class="menu" id="top">Hello</h1> (a) .top (b) #menu (c) .menu (d) #intro
2. 2.🎯 What kind of selector is p? (a) an id selector (b) a class selector (c) an element selector
3. 3.🎯 What kind of selector is img? (a) an id selector (b) an element selector (c) a class selector
4. 4.🎯 Which sign starts an id selector? (a) @ (b) . (c) & (d) #
5. 5.🎯 Which element does the selector #logo style? (a) <h2 id="end"> (b) <li class="big"> (c) <h2 id="logo"> (d) <h2 class="logo">
6. 6.🎯 Can many elements share the same class? (a) No (b) Yes
7. 7.🎯 Which element does the selector #intro style? (a) <h1 class="note"> (b) <p class="intro"> (c) <p id="intro"> (d) <p id="main">
8. 8.🎯 What kind of selector is .menu? (a) an element selector (b) a class selector (c) an id selector
9. 9.🎯 Which element does the selector div style? (a) <div class="note"> (b) <p class="note"> (c) <h1 id="main"> (d) <span>
10. 10.True or false: .card is a class selector. (a) True (b) False
11. 11.True or false: li is an element selector. (a) True (b) False
12. 12.🎯 Which CSS selector matches this element?
    <p class="note" id="intro">Hello</p> (a) .big (b) #note (c) .intro (d) .note
13. 13.True or false: .big is an id selector. (a) False (b) True
14. 14.🎯 Which CSS selector matches this element?
    <p class="big" id="end">Hello</p> (a) #big (b) .red (c) #end (d) .end
15. 15.🎯 Which element does the selector #logo style? (a) <p id="end"> (b) <h1 class="star"> (c) <p class="logo"> (d) <p id="logo">
16. 16.🎯 What kind of selector is #end? (a) an element selector (b) an id selector (c) a class selector
17. 17.🎯 What kind of selector is #logo? (a) an element selector (b) an id selector (c) a class selector
18. 18.🎯 Which CSS selector matches this element?
    <h2 class="red" id="intro">Hello</h2> (a) h2 (b) .intro (c) .box (d) li
19. 19.🎯 Which CSS selector matches this element?
    <div class="red" id="main">Hello</div> (a) .main (b) .box (c) #red (d) .red
20. 20.🎯 Which element does the selector li style? (a) <span class="big"> (b) <li class="big"> (c) <p id="logo"> (d) <div>
21. 21.🎯 Which sign starts a class selector? (a) @ (b) . (c) # (d) &
22. 22.🎯 Which CSS selector matches this element?
    <p class="menu" id="intro">Hello</p> (a) .note (b) h1 (c) #menu (d) #intro
23. 23.🎯 Which element does the selector .big style? (a) <li class="big"> (b) <li class="red"> (c) <div class="box"> (d) <li id="big">
24. 24.🎯 What kind of selector is .card? (a) an element selector (b) an id selector (c) a class selector
25. 25.🎯 Which element does the selector p style? (a) <h2 class="big"> (b) <li id="main"> (c) <h1> (d) <p class="big">
26. 26.True or false: .note is an id selector. (a) False (b) True
27. 27.🎯 Which element does the selector #logo style? (a) <h1 id="logo"> (b) <h2 class="menu"> (c) <h1 id="end"> (d) <h1 class="logo">
28. 28.True or false: li is an id selector. (a) False (b) True
29. 29.🎯 Which CSS selector matches this element?
    <h2 class="red" id="end">Hello</h2> (a) .red (b) #hero (c) .box (d) #red
30. 30.True or false: body is an element selector. (a) True (b) False
31. 31.🎯 Which CSS selector matches this element?
    <h1 class="note" id="hero">Hello</h1> (a) .big (b) .hero (c) .note (d) #top
32. 32.🎯 Which CSS selector matches this element?
    <li class="red" id="hero">Hello</li> (a) #red (b) #top (c) .box (d) #hero
33. 33.True or false: #logo is an id selector. (a) False (b) True
34. 34.🎯 What kind of selector is #main? (a) an id selector (b) an element selector (c) a class selector
35. 35.🎯 Which CSS selector matches this element?
    <div class="note" id="logo">Hello</div> (a) .big (b) .note (c) #note (d) .logo
36. 36.True or false: .card is an id selector. (a) False (b) True
37. 37.🎯 Which element does the selector h1 style? (a) <li class="note"> (b) <h2> (c) <div id="main"> (d) <h1 class="note">
38. 38.🎯 Which element does the selector h1 style? (a) <li class="big"> (b) <h2> (c) <div id="main"> (d) <h1 class="big">
39. 39.🎯 Which CSS selector matches this element?
    <div class="menu" id="end">Hello</div> (a) #menu (b) .menu (c) .note (d) .end
40. 40.🎯 Which element does the selector #logo style? (a) <li id="logo"> (b) <li id="end"> (c) <div class="menu"> (d) <li class="logo">

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