CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 185 · 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 #end style? (a) <h1 class="note"> (b) <p class="end"> (c) <p id="hero"> (d) <p id="end">
2. 2.🎯 Which CSS selector matches this element?
   <span class="red" id="hero">Hello</span> (a) span (b) .hero (c) p (d) .box
3. 3.🎯 Which CSS selector matches this element?
   <p class="menu" id="logo">Hello</p> (a) .logo (b) h1 (c) #menu (d) #logo
4. 4.🎯 Which sign starts an id selector? (a) . (b) @ (c) & (d) #
5. 5.🎯 Which element does the selector p style? (a) <h1> (b) <p class="big"> (c) <h2 class="big"> (d) <li id="intro">
6. 6.🎯 Which CSS selector matches this element?
   <span class="note" id="main">Hello</span> (a) #logo (b) #note (c) #main (d) .main
7. 7.🎯 What kind of selector is body? (a) a class selector (b) an element selector (c) an id selector
8. 8.🎯 Which CSS selector matches this element?
   <p class="box" id="end">Hello</p> (a) h1 (b) #box (c) .star (d) #end
9. 9.🎯 Which sign starts a class selector? (a) @ (b) & (c) . (d) #
10. 10.True or false: img is a class selector. (a) True (b) False
11. 11.True or false: .note is an element selector. (a) False (b) True
12. 12.🎯 What kind of selector is .star? (a) a class selector (b) an id selector (c) an element selector
13. 13.True or false: .card is a class selector. (a) False (b) True
14. 14.🎯 Which element does the selector #hero style? (a) <p class="hero"> (b) <h1 class="star"> (c) <p id="top"> (d) <p id="hero">
15. 15.🎯 Which CSS selector matches this element?
    <h1 class="big" id="intro">Hello</h1> (a) .intro (b) #intro (c) #big (d) .red
16. 16.True or false: img is an element selector. (a) True (b) False
17. 17.True or false: .note is a class selector. (a) True (b) False
18. 18.🎯 Can many elements share the same class? (a) No (b) Yes
19. 19.🎯 What kind of selector is #logo? (a) a class selector (b) an id selector (c) an element selector
20. 20.🎯 Which element does the selector span style? (a) <h1 class="note"> (b) <span class="note"> (c) <h2 id="end"> (d) <p>
21. 21.🎯 Which CSS selector matches this element?
    <h1 class="big" id="logo">Hello</h1> (a) .logo (b) .red (c) .big (d) h2
22. 22.🎯 Which CSS selector matches this element?
    <p class="note" id="main">Hello</p> (a) .big (b) .main (c) p (d) #logo
23. 23.🎯 Which element does the selector h1 style? (a) <li class="note"> (b) <h2> (c) <h1 class="note"> (d) <div id="top">
24. 24.🎯 Which CSS selector matches this element?
    <p class="menu" id="main">Hello</p> (a) .main (b) #logo (c) #menu (d) p
25. 25.True or false: #logo is a class selector. (a) True (b) False
26. 26.🎯 Which element does the selector h2 style? (a) <h2 class="big"> (b) <span id="main"> (c) <li> (d) <div class="big">
27. 27.True or false: #top is an element selector. (a) True (b) False
28. 28.🎯 Which element does the selector div style? (a) <div class="menu"> (b) <span> (c) <h1 id="end"> (d) <p class="menu">
29. 29.🎯 Which CSS selector matches this element?
    <h1 class="big" id="top">Hello</h1> (a) #intro (b) #top (c) .top (d) #big
30. 30.🎯 Which element does the selector span style? (a) <p> (b) <h1 class="big"> (c) <h2 id="intro"> (d) <span class="big">
31. 31.🎯 Which element does the selector #intro style? (a) <h1 id="main"> (b) <h1 id="intro"> (c) <h1 class="intro"> (d) <h2 class="note">
32. 32.🎯 Which CSS selector matches this element?
    <h1 class="note" id="hero">Hello</h1> (a) h2 (b) h1 (c) #note (d) .hero
33. 33.True or false: p is an id selector. (a) True (b) False
34. 34.🎯 Which CSS selector matches this element?
    <div class="note" id="main">Hello</div> (a) .main (b) .big (c) span (d) .note
35. 35.True or false: body is an id selector. (a) False (b) True
36. 36.True or false: #top is a class selector. (a) False (b) True
37. 37.🎯 Which element does the selector .menu style? (a) <h2 class="note"> (b) <h2 class="menu"> (c) <h2 id="menu"> (d) <li class="big">
38. 38.True or false: .card is an element selector. (a) True (b) False
39. 39.🎯 Which CSS selector matches this element?
    <h1 class="big" id="hero">Hello</h1> (a) h2 (b) .red (c) .big (d) #top
40. 40.🎯 Which CSS selector matches this element?
    <li class="star" id="logo">Hello</li> (a) .logo (b) div (c) .menu (d) .star

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