CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 632 · 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) .end (b) h1 (c) #star (d) #hero
2. 2.🎯 Which CSS selector matches this element?
   <p class="note" id="end">Hello</p> (a) h1 (b) .big (c) #hero (d) #end
3. 3.🎯 What kind of selector is img? (a) an id selector (b) a class selector (c) an element selector
4. 4.🎯 Which CSS selector matches this element?
   <h2 class="note" id="hero">Hello</h2> (a) #hero (b) #note (c) #top (d) .big
5. 5.True or false: #hero is an id selector. (a) False (b) True
6. 6.🎯 Which CSS selector matches this element?
   <h2 class="star" id="logo">Hello</h2> (a) #logo (b) #end (c) #star (d) .logo
7. 7.True or false: #top is an id selector. (a) False (b) True
8. 8.🎯 Which element does the selector .big style? (a) <p id="big"> (b) <p class="red"> (c) <h1 class="box"> (d) <p class="big">
9. 9.True or false: h1 is an id selector. (a) True (b) False
10. 10.🎯 What kind of selector is .big? (a) a class selector (b) an element selector (c) an id selector
11. 11.🎯 Which sign starts a class selector? (a) # (b) . (c) @ (d) &
12. 12.True or false: li is an element selector. (a) True (b) False
13. 13.🎯 Which element does the selector .note style? (a) <span class="note"> (b) <span id="note"> (c) <p class="red"> (d) <span class="big">
14. 14.🎯 Which element does the selector h2 style? (a) <div class="big"> (b) <span id="logo"> (c) <h2 class="big"> (d) <li>
15. 15.🎯 How many elements on a page should have the same id? (a) any number (b) 2 (c) 1 (d) 5
16. 16.🎯 What kind of selector is #end? (a) a class selector (b) an element selector (c) an id selector
17. 17.True or false: .card is a class selector. (a) False (b) True
18. 18.🎯 What kind of selector is p? (a) a class selector (b) an element selector (c) an id selector
19. 19.True or false: .big is a class selector. (a) True (b) False
20. 20.🎯 Which CSS selector matches this element?
    <h2 class="note" id="main">Hello</h2> (a) #logo (b) #note (c) h2 (d) li
21. 21.🎯 Which CSS selector matches this element?
    <p class="star" id="top">Hello</p> (a) h1 (b) #star (c) .top (d) .star
22. 22.True or false: #top is a class selector. (a) False (b) True
23. 23.🎯 Which CSS selector matches this element?
    <h1 class="note" id="top">Hello</h1> (a) .note (b) #intro (c) .big (d) .top
24. 24.🎯 Which element does the selector h2 style? (a) <div class="note"> (b) <h2 class="note"> (c) <span id="intro"> (d) <li>
25. 25.True or false: #hero is an element selector. (a) False (b) True
26. 26.🎯 Which element does the selector p style? (a) <h2 class="red"> (b) <h1> (c) <p class="red"> (d) <li id="intro">
27. 27.🎯 Can many elements share the same class? (a) No (b) Yes
28. 28.🎯 Which element does the selector li style? (a) <span class="box"> (b) <div> (c) <p id="top"> (d) <li class="box">
29. 29.True or false: li is a class selector. (a) False (b) True
30. 30.🎯 Which element does the selector p style? (a) <h2 class="box"> (b) <h1> (c) <li id="intro"> (d) <p class="box">
31. 31.🎯 Which sign starts an id selector? (a) & (b) . (c) # (d) @
32. 32.🎯 What kind of selector is .menu? (a) an element selector (b) an id selector (c) a class selector
33. 33.🎯 Which element does the selector #main style? (a) <p class="red"> (b) <span class="main"> (c) <span id="logo"> (d) <span id="main">
34. 34.🎯 Which element does the selector li style? (a) <div> (b) <span class="star"> (c) <p id="top"> (d) <li class="star">
35. 35.🎯 Which CSS selector matches this element?
    <li class="note" id="main">Hello</li> (a) div (b) .big (c) #main (d) #note
36. 36.True or false: .menu is an element selector. (a) False (b) True
37. 37.True or false: h1 is an element selector. (a) False (b) True
38. 38.🎯 Which CSS selector matches this element?
    <span class="note" id="end">Hello</span> (a) #note (b) #hero (c) p (d) #end
39. 39.🎯 Which element does the selector #top style? (a) <span class="note"> (b) <div id="top"> (c) <div class="top"> (d) <div id="intro">
40. 40.🎯 Which CSS selector matches this element?
    <li class="box" id="end">Hello</li> (a) #hero (b) .star (c) div (d) .box

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