CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 892 · 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?
   <h1 class="star" id="end">Hello</h1> (a) .menu (b) #end (c) h2 (d) .end
2. 2.🎯 What kind of selector is h1? (a) an element selector (b) an id selector (c) a class selector
3. 3.🎯 Can many elements share the same class? (a) No (b) Yes
4. 4.🎯 Which CSS selector matches this element?
   <li class="note" id="top">Hello</li> (a) div (b) .note (c) .top (d) .big
5. 5.🎯 Which CSS selector matches this element?
   <p class="note" id="logo">Hello</p> (a) .note (b) .big (c) #end (d) #note
6. 6.🎯 Which sign starts a class selector? (a) @ (b) # (c) . (d) &
7. 7.🎯 What kind of selector is .card? (a) an element selector (b) an id selector (c) a class selector
8. 8.🎯 Which CSS selector matches this element?
   <p class="menu" id="logo">Hello</p> (a) .logo (b) p (c) h1 (d) #end
9. 9.🎯 Which CSS selector matches this element?
   <h1 class="menu" id="main">Hello</h1> (a) h1 (b) h2 (c) #logo (d) #menu
10. 10.True or false: .note is an element selector. (a) False (b) True
11. 11.🎯 What kind of selector is .note? (a) an element selector (b) a class selector (c) an id selector
12. 12.🎯 Which element does the selector #logo style? (a) <div class="logo"> (b) <div id="end"> (c) <div id="logo"> (d) <span class="big">
13. 13.🎯 What kind of selector is #hero? (a) a class selector (b) an element selector (c) an id selector
14. 14.🎯 Which CSS selector matches this element?
    <span class="big" id="end">Hello</span> (a) .red (b) #end (c) #hero (d) p
15. 15.🎯 What kind of selector is #main? (a) an element selector (b) a class selector (c) an id selector
16. 16.🎯 Which element does the selector li style? (a) <p id="top"> (b) <span class="note"> (c) <div> (d) <li class="note">
17. 17.True or false: .note is a class selector. (a) False (b) True
18. 18.🎯 Which element does the selector #logo style? (a) <li class="logo"> (b) <li id="end"> (c) <li id="logo"> (d) <div class="note">
19. 19.True or false: #main is an id selector. (a) False (b) True
20. 20.🎯 Which CSS selector matches this element?
    <h1 class="big" id="hero">Hello</h1> (a) h1 (b) #top (c) .red (d) h2
21. 21.🎯 Which CSS selector matches this element?
    <p class="menu" id="top">Hello</p> (a) #intro (b) .note (c) #menu (d) p
22. 22.True or false: .menu is a class selector. (a) True (b) False
23. 23.🎯 Which element does the selector #end style? (a) <span class="star"> (b) <div id="hero"> (c) <div class="end"> (d) <div id="end">
24. 24.True or false: #logo is a class selector. (a) True (b) False
25. 25.🎯 Which element does the selector p style? (a) <h2 class="big"> (b) <li id="hero"> (c) <h1> (d) <p class="big">
26. 26.🎯 How many elements on a page should have the same id? (a) 1 (b) any number (c) 5 (d) 2
27. 27.🎯 What kind of selector is #end? (a) a class selector (b) an id selector (c) an element selector
28. 28.True or false: #end is an element selector. (a) True (b) False
29. 29.🎯 Which element does the selector .big style? (a) <li class="box"> (b) <h2 class="red"> (c) <h2 id="big"> (d) <h2 class="big">
30. 30.🎯 Which element does the selector h2 style? (a) <li> (b) <span id="logo"> (c) <div class="note"> (d) <h2 class="note">
31. 31.🎯 Which element does the selector p style? (a) <p class="menu"> (b) <h2 class="menu"> (c) <li id="intro"> (d) <h1>
32. 32.🎯 Which CSS selector matches this element?
    <span class="red" id="end">Hello</span> (a) .red (b) #red (c) .end (d) .box
33. 33.🎯 Which CSS selector matches this element?
    <li class="menu" id="hero">Hello</li> (a) .note (b) .menu (c) div (d) #menu
34. 34.True or false: #end is an id selector. (a) False (b) True
35. 35.🎯 Which CSS selector matches this element?
    <li class="note" id="hero">Hello</li> (a) div (b) li (c) .hero (d) #note
36. 36.🎯 Which element does the selector #intro style? (a) <h1 id="intro"> (b) <h2 class="menu"> (c) <h1 class="intro"> (d) <h1 id="main">
37. 37.🎯 Which element does the selector h2 style? (a) <span id="intro"> (b) <div class="star"> (c) <li> (d) <h2 class="star">
38. 38.🎯 Which element does the selector div style? (a) <h1 id="intro"> (b) <div class="menu"> (c) <span> (d) <p class="menu">
39. 39.🎯 Which sign starts an id selector? (a) @ (b) . (c) & (d) #
40. 40.🎯 What kind of selector is li? (a) a class selector (b) an element selector (c) an id selector

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