CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 579 · 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 #logo style? (a) <h2 id="end"> (b) <h2 class="logo"> (c) <li class="big"> (d) <h2 id="logo">
2. 2.🎯 Which element does the selector p style? (a) <h2 class="big"> (b) <h1> (c) <li id="hero"> (d) <p class="big">
3. 3.True or false: .note is a class selector. (a) False (b) True
4. 4.🎯 Which CSS selector matches this element?
   <h1 class="note" id="hero">Hello</h1> (a) #note (b) .big (c) #top (d) .note
5. 5.True or false: .card is an id selector. (a) False (b) True
6. 6.🎯 Which element does the selector .star style? (a) <div class="star"> (b) <div id="star"> (c) <div class="menu"> (d) <span class="note">
7. 7.🎯 Which sign starts an id selector? (a) & (b) . (c) @ (d) #
8. 8.🎯 Which element does the selector #top style? (a) <p id="intro"> (b) <p id="top"> (c) <h1 class="big"> (d) <p class="top">
9. 9.🎯 Can many elements share the same class? (a) Yes (b) No
10. 10.🎯 How many elements on a page should have the same id? (a) 2 (b) 1 (c) 5 (d) any number
11. 11.🎯 Which CSS selector matches this element?
    <h2 class="big" id="hero">Hello</h2> (a) #big (b) li (c) .big (d) #top
12. 12.True or false: #end is an element selector. (a) False (b) True
13. 13.True or false: #logo is an element selector. (a) True (b) False
14. 14.True or false: h1 is an id selector. (a) False (b) True
15. 15.🎯 Which element does the selector #intro style? (a) <span id="main"> (b) <span class="intro"> (c) <p class="note"> (d) <span id="intro">
16. 16.🎯 What kind of selector is #main? (a) an element selector (b) an id selector (c) a class selector
17. 17.🎯 Which CSS selector matches this element?
    <h2 class="box" id="end">Hello</h2> (a) #box (b) .end (c) li (d) h2
18. 18.🎯 Which CSS selector matches this element?
    <span class="box" id="end">Hello</span> (a) #box (b) .end (c) .box (d) p
19. 19.🎯 Which CSS selector matches this element?
    <h1 class="star" id="intro">Hello</h1> (a) h2 (b) .menu (c) #main (d) .star
20. 20.🎯 Which element does the selector #logo style? (a) <p id="end"> (b) <p class="logo"> (c) <h1 class="menu"> (d) <p id="logo">
21. 21.🎯 Which element does the selector h1 style? (a) <div id="end"> (b) <h2> (c) <li class="red"> (d) <h1 class="red">
22. 22.🎯 What kind of selector is .menu? (a) an element selector (b) a class selector (c) an id selector
23. 23.🎯 Which sign starts a class selector? (a) & (b) # (c) @ (d) .
24. 24.🎯 Which CSS selector matches this element?
    <h2 class="red" id="end">Hello</h2> (a) .red (b) .end (c) li (d) #red
25. 25.True or false: li is an element selector. (a) True (b) False
26. 26.🎯 Which CSS selector matches this element?
    <h2 class="star" id="main">Hello</h2> (a) .menu (b) .main (c) h2 (d) li
27. 27.🎯 Which element does the selector li style? (a) <span class="big"> (b) <div> (c) <p id="intro"> (d) <li class="big">
28. 28.🎯 What kind of selector is #logo? (a) a class selector (b) an element selector (c) an id selector
29. 29.🎯 Which CSS selector matches this element?
    <p class="menu" id="intro">Hello</p> (a) #main (b) .intro (c) p (d) h1
30. 30.True or false: #top is an id selector. (a) True (b) False
31. 31.🎯 What kind of selector is .card? (a) an element selector (b) an id selector (c) a class selector
32. 32.True or false: .menu is a class selector. (a) False (b) True
33. 33.🎯 Which element does the selector p style? (a) <h1> (b) <li id="top"> (c) <h2 class="menu"> (d) <p class="menu">
34. 34.🎯 What kind of selector is img? (a) an element selector (b) an id selector (c) a class selector
35. 35.🎯 Which CSS selector matches this element?
    <span class="note" id="intro">Hello</span> (a) #note (b) .note (c) #main (d) .big
36. 36.🎯 Which element does the selector p style? (a) <li id="main"> (b) <h1> (c) <h2 class="box"> (d) <p class="box">
37. 37.🎯 Which CSS selector matches this element?
    <p class="star" id="top">Hello</p> (a) .menu (b) .top (c) #star (d) #top
38. 38.🎯 What kind of selector is #top? (a) a class selector (b) an id selector (c) an element selector
39. 39.🎯 Which CSS selector matches this element?
    <p class="box" id="hero">Hello</p> (a) .star (b) #box (c) h1 (d) p
40. 40.True or false: .star is a class selector. (a) False (b) True

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