CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 676 · 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 CSS selector matches this element?
   <p class="box" id="end">Hello</p> (a) #box (b) h1 (c) .star (d) p
2. 2.True or false: .note is a class selector. (a) True (b) False
3. 3.🎯 Which element does the selector h2 style? (a) <div class="note"> (b) <li> (c) <span id="end"> (d) <h2 class="note">
4. 4.🎯 Which CSS selector matches this element?
   <div class="note" id="top">Hello</div> (a) span (b) .top (c) #intro (d) #top
5. 5.🎯 Which CSS selector matches this element?
   <li class="menu" id="logo">Hello</li> (a) .menu (b) .note (c) .logo (d) div
6. 6.True or false: .note is an id selector. (a) False (b) True
7. 7.True or false: p is an element selector. (a) True (b) False
8. 8.🎯 How many elements on a page should have the same id? (a) any number (b) 2 (c) 5 (d) 1
9. 9.🎯 Which sign starts a class selector? (a) @ (b) & (c) # (d) .
10. 10.🎯 Which element does the selector #main style? (a) <h1 class="note"> (b) <p class="main"> (c) <p id="logo"> (d) <p id="main">
11. 11.True or false: li is a class selector. (a) False (b) True
12. 12.🎯 Which CSS selector matches this element?
    <p class="big" id="logo">Hello</p> (a) p (b) .red (c) #big (d) h1
13. 13.🎯 Which element does the selector #end style? (a) <span class="end"> (b) <span id="end"> (c) <span id="hero"> (d) <p class="box">
14. 14.🎯 Which CSS selector matches this element?
    <span class="big" id="logo">Hello</span> (a) #big (b) .logo (c) p (d) #logo
15. 15.True or false: #hero is an id selector. (a) False (b) True
16. 16.🎯 Which element does the selector #logo style? (a) <h1 id="end"> (b) <h1 id="logo"> (c) <h1 class="logo"> (d) <h2 class="box">
17. 17.True or false: #top is an id selector. (a) False (b) True
18. 18.🎯 Which sign starts an id selector? (a) . (b) # (c) @ (d) &
19. 19.🎯 Can many elements share the same class? (a) Yes (b) No
20. 20.True or false: #main is an id selector. (a) False (b) True
21. 21.🎯 Which element does the selector #hero style? (a) <h2 class="hero"> (b) <h2 id="top"> (c) <li class="menu"> (d) <h2 id="hero">
22. 22.🎯 Which element does the selector .red style? (a) <span class="box"> (b) <span class="red"> (c) <p class="star"> (d) <span id="red">
23. 23.True or false: .note is an element selector. (a) False (b) True
24. 24.🎯 What kind of selector is p? (a) a class selector (b) an element selector (c) an id selector
25. 25.True or false: .menu is an id selector. (a) True (b) False
26. 26.True or false: #end is a class selector. (a) False (b) True
27. 27.🎯 Which CSS selector matches this element?
    <span class="menu" id="logo">Hello</span> (a) .logo (b) .menu (c) #menu (d) #end
28. 28.🎯 Which element does the selector p style? (a) <h1> (b) <li id="top"> (c) <h2 class="big"> (d) <p class="big">
29. 29.🎯 Which CSS selector matches this element?
    <span class="star" id="hero">Hello</span> (a) .hero (b) .menu (c) span (d) p
30. 30.🎯 What kind of selector is .menu? (a) a class selector (b) an element selector (c) an id selector
31. 31.🎯 Which element does the selector p style? (a) <h2 class="box"> (b) <h1> (c) <li id="end"> (d) <p class="box">
32. 32.🎯 Which CSS selector matches this element?
    <p class="star" id="hero">Hello</p> (a) #top (b) #star (c) .hero (d) #hero
33. 33.🎯 Which CSS selector matches this element?
    <h2 class="red" id="main">Hello</h2> (a) .main (b) .box (c) li (d) .red
34. 34.🎯 Which CSS selector matches this element?
    <span class="red" id="main">Hello</span> (a) #red (b) p (c) .red (d) .box
35. 35.🎯 Which element does the selector span style? (a) <h1 class="star"> (b) <h2 id="main"> (c) <span class="star"> (d) <p>
36. 36.🎯 What kind of selector is #logo? (a) a class selector (b) an element selector (c) an id selector
37. 37.True or false: #hero is a class selector. (a) True (b) False
38. 38.True or false: .card is a class selector. (a) False (b) True
39. 39.🎯 Which element does the selector .box style? (a) <h1 id="box"> (b) <h1 class="star"> (c) <h1 class="box"> (d) <h2 class="menu">
40. 40.🎯 Which element does the selector p style? (a) <h1> (b) <li id="logo"> (c) <p class="star"> (d) <h2 class="star">

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