CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 710 · 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) <h1 class="star"> (b) <h2 class="note"> (c) <h1 id="star"> (d) <h1 class="menu">
2. 2.🎯 Which sign starts a class selector? (a) @ (b) # (c) & (d) .
3. 3.🎯 Which element does the selector li style? (a) <div> (b) <li class="menu"> (c) <span class="menu"> (d) <p id="hero">
4. 4.🎯 What kind of selector is #main? (a) an element selector (b) a class selector (c) an id selector
5. 5.🎯 Which CSS selector matches this element?
   <li class="menu" id="end">Hello</li> (a) .note (b) .end (c) li (d) #hero
6. 6.🎯 What kind of selector is #end? (a) a class selector (b) an id selector (c) an element selector
7. 7.🎯 Which CSS selector matches this element?
   <h1 class="menu" id="intro">Hello</h1> (a) #menu (b) .intro (c) h2 (d) h1
8. 8.True or false: .menu is an element selector. (a) True (b) False
9. 9.True or false: img is an element selector. (a) False (b) True
10. 10.True or false: .menu is an id selector. (a) True (b) False
11. 11.🎯 Which element does the selector h1 style? (a) <h1 class="star"> (b) <li class="star"> (c) <div id="intro"> (d) <h2>
12. 12.🎯 Which CSS selector matches this element?
    <h1 class="note" id="logo">Hello</h1> (a) #note (b) #end (c) .logo (d) h1
13. 13.🎯 What kind of selector is p? (a) a class selector (b) an element selector (c) an id selector
14. 14.🎯 What kind of selector is #top? (a) a class selector (b) an id selector (c) an element selector
15. 15.🎯 What kind of selector is #logo? (a) an element selector (b) an id selector (c) a class selector
16. 16.🎯 Which sign starts an id selector? (a) . (b) @ (c) & (d) #
17. 17.🎯 Can many elements share the same class? (a) No (b) Yes
18. 18.🎯 Which CSS selector matches this element?
    <span class="menu" id="hero">Hello</span> (a) p (b) #top (c) .hero (d) .menu
19. 19.🎯 Which CSS selector matches this element?
    <p class="menu" id="top">Hello</p> (a) #menu (b) .top (c) .menu (d) .note
20. 20.🎯 What kind of selector is .menu? (a) an element selector (b) an id selector (c) a class selector
21. 21.🎯 Which element does the selector h2 style? (a) <div class="red"> (b) <span id="logo"> (c) <h2 class="red"> (d) <li>
22. 22.🎯 Which element does the selector #intro style? (a) <h2 id="intro"> (b) <h2 class="intro"> (c) <h2 id="main"> (d) <li class="red">
23. 23.True or false: li is a class selector. (a) True (b) False
24. 24.True or false: #logo is an element selector. (a) True (b) False
25. 25.🎯 Which element does the selector .box style? (a) <li class="box"> (b) <div class="menu"> (c) <li id="box"> (d) <li class="star">
26. 26.True or false: .big is a class selector. (a) False (b) True
27. 27.🎯 Which element does the selector p style? (a) <h1> (b) <li id="hero"> (c) <p class="big"> (d) <h2 class="big">
28. 28.🎯 Which CSS selector matches this element?
    <div class="red" id="main">Hello</div> (a) div (b) span (c) #red (d) .main
29. 29.True or false: #main is an id selector. (a) True (b) False
30. 30.🎯 Which CSS selector matches this element?
    <li class="box" id="intro">Hello</li> (a) #box (b) .intro (c) .star (d) #intro
31. 31.🎯 Which element does the selector .note style? (a) <h2 id="note"> (b) <h2 class="big"> (c) <h2 class="note"> (d) <li class="red">
32. 32.🎯 What kind of selector is img? (a) a class selector (b) an element selector (c) an id selector
33. 33.True or false: #end is an element selector. (a) False (b) True
34. 34.True or false: p is an element selector. (a) False (b) True
35. 35.True or false: .card is an element selector. (a) False (b) True
36. 36.🎯 Which CSS selector matches this element?
    <div class="menu" id="top">Hello</div> (a) div (b) #intro (c) #menu (d) .note
37. 37.True or false: body is an element selector. (a) False (b) True
38. 38.🎯 Which element does the selector #intro style? (a) <h1 class="big"> (b) <p class="intro"> (c) <p id="main"> (d) <p id="intro">
39. 39.True or false: #main is an element selector. (a) True (b) False
40. 40.🎯 Which CSS selector matches this element?
    <p class="note" id="intro">Hello</p> (a) p (b) #note (c) .intro (d) #main

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