CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 758 · 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 .menu style? (a) <li class="big"> (b) <h2 class="menu"> (c) <h2 id="menu"> (d) <h2 class="note">
2. 2.🎯 Can many elements share the same class? (a) No (b) Yes
3. 3.True or false: .star is an element selector. (a) False (b) True
4. 4.True or false: img is an id selector. (a) True (b) False
5. 5.🎯 What kind of selector is #end? (a) an element selector (b) a class selector (c) an id selector
6. 6.🎯 Which element does the selector div style? (a) <span> (b) <p class="star"> (c) <div class="star"> (d) <h1 id="hero">
7. 7.🎯 How many elements on a page should have the same id? (a) 5 (b) 1 (c) any number (d) 2
8. 8.🎯 What kind of selector is h1? (a) a class selector (b) an element selector (c) an id selector
9. 9.🎯 Which sign starts an id selector? (a) @ (b) . (c) & (d) #
10. 10.True or false: #logo is a class selector. (a) True (b) False
11. 11.🎯 Which element does the selector .red style? (a) <span class="box"> (b) <span id="red"> (c) <span class="red"> (d) <p class="star">
12. 12.🎯 Which element does the selector .star style? (a) <span class="star"> (b) <p class="note"> (c) <span id="star"> (d) <span class="menu">
13. 13.🎯 Which element does the selector h1 style? (a) <h2> (b) <h1 class="big"> (c) <li class="big"> (d) <div id="logo">
14. 14.True or false: .menu is an element selector. (a) False (b) True
15. 15.🎯 What kind of selector is .note? (a) an element selector (b) an id selector (c) a class selector
16. 16.True or false: .card is a class selector. (a) True (b) False
17. 17.🎯 What kind of selector is li? (a) a class selector (b) an id selector (c) an element selector
18. 18.True or false: .menu is a class selector. (a) True (b) False
19. 19.🎯 Which CSS selector matches this element?
    <h2 class="box" id="end">Hello</h2> (a) .end (b) #box (c) h2 (d) li
20. 20.True or false: #top is an id selector. (a) True (b) False
21. 21.True or false: #hero is an id selector. (a) False (b) True
22. 22.🎯 What kind of selector is p? (a) an element selector (b) an id selector (c) a class selector
23. 23.🎯 Which CSS selector matches this element?
    <div class="big" id="main">Hello</div> (a) div (b) #logo (c) #big (d) span
24. 24.🎯 Which element does the selector p style? (a) <p class="menu"> (b) <h2 class="menu"> (c) <li id="logo"> (d) <h1>
25. 25.🎯 What kind of selector is img? (a) a class selector (b) an element selector (c) an id selector
26. 26.True or false: .note is an element selector. (a) False (b) True
27. 27.🎯 Which sign starts a class selector? (a) & (b) # (c) @ (d) .
28. 28.🎯 What kind of selector is .star? (a) an element selector (b) a class selector (c) an id selector
29. 29.🎯 Which CSS selector matches this element?
    <h1 class="big" id="logo">Hello</h1> (a) .red (b) #logo (c) .logo (d) #big
30. 30.True or false: .big is an id selector. (a) False (b) True
31. 31.🎯 What kind of selector is .card? (a) an id selector (b) a class selector (c) an element selector
32. 32.🎯 Which element does the selector li style? (a) <div> (b) <li class="menu"> (c) <span class="menu"> (d) <p id="end">
33. 33.🎯 Which CSS selector matches this element?
    <p class="red" id="top">Hello</p> (a) #intro (b) .red (c) #red (d) .box
34. 34.True or false: #hero is an element selector. (a) False (b) True
35. 35.🎯 Which CSS selector matches this element?
    <h2 class="note" id="main">Hello</h2> (a) .big (b) #logo (c) .note (d) #note
36. 36.🎯 Which element does the selector .big style? (a) <h1 class="red"> (b) <h2 class="box"> (c) <h1 id="big"> (d) <h1 class="big">
37. 37.🎯 What kind of selector is .big? (a) an element selector (b) a class selector (c) an id selector
38. 38.True or false: p is an id selector. (a) False (b) True
39. 39.🎯 Which element does the selector h1 style? (a) <h1 class="note"> (b) <div id="top"> (c) <h2> (d) <li class="note">
40. 40.True or false: body is a class selector. (a) True (b) False

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