CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 524 · 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="red" id="end">Hello</p> (a) p (b) .end (c) h1 (d) .box
2. 2.🎯 Which element does the selector #main style? (a) <h1 class="menu"> (b) <p id="logo"> (c) <p class="main"> (d) <p id="main">
3. 3.🎯 Which CSS selector matches this element?
   <div class="star" id="intro">Hello</div> (a) div (b) #main (c) span (d) .intro
4. 4.🎯 Which CSS selector matches this element?
   <p class="menu" id="main">Hello</p> (a) .note (b) #logo (c) #main (d) .main
5. 5.🎯 Which CSS selector matches this element?
   <p class="note" id="main">Hello</p> (a) .big (b) #note (c) #logo (d) #main
6. 6.True or false: .menu is an id selector. (a) False (b) True
7. 7.🎯 What kind of selector is .star? (a) an id selector (b) a class selector (c) an element selector
8. 8.🎯 Which sign starts an id selector? (a) . (b) # (c) @ (d) &
9. 9.🎯 Which CSS selector matches this element?
   <p class="menu" id="end">Hello</p> (a) .note (b) p (c) h1 (d) #menu
10. 10.🎯 Which element does the selector div style? (a) <span> (b) <h1 id="intro"> (c) <div class="note"> (d) <p class="note">
11. 11.🎯 Which CSS selector matches this element?
    <p class="menu" id="intro">Hello</p> (a) .menu (b) .note (c) h1 (d) #menu
12. 12.🎯 What kind of selector is h1? (a) an id selector (b) a class selector (c) an element selector
13. 13.🎯 Which CSS selector matches this element?
    <div class="red" id="logo">Hello</div> (a) span (b) div (c) .box (d) #red
14. 14.🎯 Which sign starts a class selector? (a) @ (b) # (c) & (d) .
15. 15.🎯 Which element does the selector li style? (a) <li class="red"> (b) <span class="red"> (c) <p id="logo"> (d) <div>
16. 16.🎯 Which CSS selector matches this element?
    <p class="star" id="main">Hello</p> (a) p (b) #star (c) .main (d) .menu
17. 17.🎯 Which CSS selector matches this element?
    <div class="menu" id="intro">Hello</div> (a) .note (b) #main (c) .intro (d) #intro
18. 18.🎯 Can many elements share the same class? (a) Yes (b) No
19. 19.🎯 Which CSS selector matches this element?
    <div class="note" id="main">Hello</div> (a) #note (b) .big (c) div (d) .main
20. 20.🎯 What kind of selector is .card? (a) an element selector (b) an id selector (c) a class selector
21. 21.🎯 How many elements on a page should have the same id? (a) 2 (b) 1 (c) any number (d) 5
22. 22.🎯 Which element does the selector h1 style? (a) <h2> (b) <div id="end"> (c) <li class="note"> (d) <h1 class="note">
23. 23.🎯 Which element does the selector .menu style? (a) <li class="note"> (b) <li class="menu"> (c) <div class="big"> (d) <li id="menu">
24. 24.🎯 Which element does the selector p style? (a) <h1> (b) <p class="box"> (c) <h2 class="box"> (d) <li id="end">
25. 25.🎯 Which CSS selector matches this element?
    <li class="menu" id="top">Hello</li> (a) .top (b) #menu (c) li (d) #intro
26. 26.True or false: p is an id selector. (a) False (b) True
27. 27.True or false: img is an element selector. (a) True (b) False
28. 28.🎯 Which CSS selector matches this element?
    <div class="red" id="top">Hello</div> (a) .red (b) .box (c) #intro (d) #red
29. 29.🎯 Which CSS selector matches this element?
    <p class="star" id="logo">Hello</p> (a) h1 (b) .menu (c) #star (d) #logo
30. 30.🎯 Which CSS selector matches this element?
    <li class="note" id="main">Hello</li> (a) .big (b) #note (c) li (d) #logo
31. 31.True or false: .star is an element selector. (a) True (b) False
32. 32.🎯 Which CSS selector matches this element?
    <div class="note" id="intro">Hello</div> (a) span (b) .intro (c) .big (d) .note
33. 33.🎯 What kind of selector is .menu? (a) an element selector (b) an id selector (c) a class selector
34. 34.🎯 Which element does the selector span style? (a) <h2 id="logo"> (b) <p> (c) <span class="red"> (d) <h1 class="red">
35. 35.🎯 What kind of selector is p? (a) an element selector (b) an id selector (c) a class selector
36. 36.🎯 What kind of selector is .big? (a) a class selector (b) an id selector (c) an element selector
37. 37.🎯 What kind of selector is #end? (a) a class selector (b) an id selector (c) an element selector
38. 38.🎯 Which CSS selector matches this element?
    <p class="note" id="top">Hello</p> (a) h1 (b) #note (c) .note (d) #intro
39. 39.True or false: .big is an id selector. (a) False (b) True
40. 40.🎯 Which element does the selector .big style? (a) <li id="big"> (b) <li class="red"> (c) <div class="box"> (d) <li class="big">

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