CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 996 · 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) <span id="end"> (b) <p class="menu"> (c) <span class="logo"> (d) <span id="logo">
2. 2.True or false: body is a class selector. (a) False (b) True
3. 3.🎯 Which CSS selector matches this element?
   <h2 class="big" id="intro">Hello</h2> (a) #big (b) h2 (c) #main (d) li
4. 4.🎯 Which CSS selector matches this element?
   <span class="star" id="end">Hello</span> (a) span (b) .end (c) .menu (d) p
5. 5.🎯 Which element does the selector p style? (a) <p class="star"> (b) <h2 class="star"> (c) <li id="top"> (d) <h1>
6. 6.🎯 Which element does the selector #end style? (a) <h1 id="end"> (b) <h1 id="hero"> (c) <h2 class="menu"> (d) <h1 class="end">
7. 7.🎯 Which sign starts a class selector? (a) @ (b) & (c) . (d) #
8. 8.True or false: li is a class selector. (a) False (b) True
9. 9.🎯 Which CSS selector matches this element?
   <li class="star" id="end">Hello</li> (a) .star (b) #star (c) div (d) #hero
10. 10.🎯 Which element does the selector .menu style? (a) <p id="menu"> (b) <p class="menu"> (c) <p class="note"> (d) <h1 class="big">
11. 11.True or false: .menu is a class selector. (a) True (b) False
12. 12.🎯 What kind of selector is h1? (a) a class selector (b) an id selector (c) an element selector
13. 13.🎯 What kind of selector is .menu? (a) an element selector (b) an id selector (c) a class selector
14. 14.🎯 Which element does the selector #main style? (a) <h2 id="logo"> (b) <li class="red"> (c) <h2 id="main"> (d) <h2 class="main">
15. 15.True or false: #main is an element selector. (a) False (b) True
16. 16.🎯 Which sign starts an id selector? (a) @ (b) & (c) . (d) #
17. 17.🎯 Which CSS selector matches this element?
    <p class="big" id="intro">Hello</p> (a) .red (b) .intro (c) h1 (d) .big
18. 18.🎯 Which CSS selector matches this element?
    <div class="red" id="main">Hello</div> (a) #red (b) #main (c) span (d) .box
19. 19.🎯 Can many elements share the same class? (a) No (b) Yes
20. 20.🎯 What kind of selector is .note? (a) an id selector (b) a class selector (c) an element selector
21. 21.🎯 Which element does the selector .star style? (a) <h2 id="star"> (b) <h2 class="star"> (c) <h2 class="menu"> (d) <li class="note">
22. 22.🎯 What kind of selector is p? (a) an id selector (b) a class selector (c) an element selector
23. 23.🎯 Which element does the selector h2 style? (a) <li> (b) <div class="big"> (c) <h2 class="big"> (d) <span id="hero">
24. 24.🎯 Which CSS selector matches this element?
    <p class="star" id="logo">Hello</p> (a) h1 (b) .menu (c) .logo (d) #logo
25. 25.🎯 Which CSS selector matches this element?
    <div class="note" id="main">Hello</div> (a) #logo (b) #note (c) span (d) #main
26. 26.🎯 Which element does the selector #hero style? (a) <div id="top"> (b) <span class="big"> (c) <div id="hero"> (d) <div class="hero">
27. 27.🎯 What kind of selector is #hero? (a) an id selector (b) an element selector (c) a class selector
28. 28.🎯 Which element does the selector h2 style? (a) <li> (b) <div class="menu"> (c) <h2 class="menu"> (d) <span id="main">
29. 29.🎯 Which CSS selector matches this element?
    <li class="big" id="end">Hello</li> (a) #big (b) #hero (c) .red (d) li
30. 30.🎯 Which element does the selector #top style? (a) <li class="star"> (b) <h2 class="top"> (c) <h2 id="top"> (d) <h2 id="intro">
31. 31.🎯 Which CSS selector matches this element?
    <h2 class="note" id="top">Hello</h2> (a) li (b) #top (c) .big (d) #intro
32. 32.🎯 What kind of selector is #end? (a) an element selector (b) an id selector (c) a class selector
33. 33.True or false: li is an element selector. (a) True (b) False
34. 34.🎯 What kind of selector is #main? (a) an element selector (b) an id selector (c) a class selector
35. 35.🎯 Which CSS selector matches this element?
    <span class="menu" id="end">Hello</span> (a) .note (b) p (c) #hero (d) span
36. 36.🎯 Which CSS selector matches this element?
    <div class="note" id="hero">Hello</div> (a) #hero (b) #top (c) .big (d) span
37. 37.🎯 Which CSS selector matches this element?
    <h1 class="menu" id="top">Hello</h1> (a) .top (b) #menu (c) .menu (d) #intro
38. 38.🎯 Which element does the selector #logo style? (a) <h2 id="end"> (b) <h2 class="logo"> (c) <li class="big"> (d) <h2 id="logo">
39. 39.🎯 Which element does the selector .note style? (a) <p class="red"> (b) <span id="note"> (c) <span class="note"> (d) <span class="big">
40. 40.🎯 What kind of selector is #logo? (a) a class selector (b) an element selector (c) an id selector

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