CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 868 · 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?
   <li class="big" id="end">Hello</li> (a) .big (b) .end (c) div (d) #hero
2. 2.🎯 Which sign starts an id selector? (a) # (b) . (c) & (d) @
3. 3.🎯 What kind of selector is .big? (a) an id selector (b) a class selector (c) an element selector
4. 4.🎯 Which CSS selector matches this element?
   <p class="big" id="intro">Hello</p> (a) #main (b) .big (c) .intro (d) #big
5. 5.🎯 Which sign starts a class selector? (a) # (b) & (c) @ (d) .
6. 6.True or false: p is an id selector. (a) False (b) True
7. 7.🎯 How many elements on a page should have the same id? (a) 2 (b) any number (c) 5 (d) 1
8. 8.🎯 Which element does the selector .note style? (a) <span class="red"> (b) <div class="big"> (c) <div id="note"> (d) <div class="note">
9. 9.True or false: #top is a class selector. (a) False (b) True
10. 10.🎯 Which CSS selector matches this element?
    <div class="big" id="hero">Hello</div> (a) span (b) .hero (c) div (d) #big
11. 11.🎯 Which element does the selector .note style? (a) <span id="note"> (b) <span class="note"> (c) <p class="red"> (d) <span class="big">
12. 12.🎯 Which element does the selector li style? (a) <li class="big"> (b) <p id="logo"> (c) <span class="big"> (d) <div>
13. 13.🎯 Which CSS selector matches this element?
    <div class="note" id="main">Hello</div> (a) div (b) span (c) #note (d) #logo
14. 14.🎯 Which CSS selector matches this element?
    <h1 class="red" id="end">Hello</h1> (a) #red (b) h2 (c) h1 (d) .box
15. 15.🎯 Which CSS selector matches this element?
    <h1 class="star" id="intro">Hello</h1> (a) .menu (b) h1 (c) #star (d) .intro
16. 16.🎯 Which CSS selector matches this element?
    <div class="note" id="hero">Hello</div> (a) div (b) #note (c) span (d) .hero
17. 17.🎯 Which CSS selector matches this element?
    <p class="star" id="hero">Hello</p> (a) .menu (b) #top (c) h1 (d) .star
18. 18.🎯 Which CSS selector matches this element?
    <p class="big" id="top">Hello</p> (a) #big (b) h1 (c) .red (d) p
19. 19.🎯 What kind of selector is .menu? (a) an element selector (b) an id selector (c) a class selector
20. 20.🎯 What kind of selector is .note? (a) an id selector (b) an element selector (c) a class selector
21. 21.True or false: body is an element selector. (a) False (b) True
22. 22.True or false: .note is an id selector. (a) False (b) True
23. 23.True or false: #end is an element selector. (a) True (b) False
24. 24.True or false: .card is a class selector. (a) False (b) True
25. 25.🎯 Which CSS selector matches this element?
    <span class="box" id="end">Hello</span> (a) #end (b) #hero (c) .star (d) #box
26. 26.🎯 Which element does the selector .menu style? (a) <p class="menu"> (b) <h1 class="big"> (c) <p id="menu"> (d) <p class="note">
27. 27.🎯 Which CSS selector matches this element?
    <span class="star" id="intro">Hello</span> (a) .intro (b) p (c) #star (d) #intro
28. 28.🎯 Which element does the selector .note style? (a) <li class="note"> (b) <li id="note"> (c) <div class="red"> (d) <li class="big">
29. 29.🎯 Which element does the selector div style? (a) <span> (b) <p class="red"> (c) <h1 id="intro"> (d) <div class="red">
30. 30.🎯 What kind of selector is #top? (a) an id selector (b) a class selector (c) an element selector
31. 31.True or false: body is an id selector. (a) False (b) True
32. 32.True or false: li is a class selector. (a) False (b) True
33. 33.🎯 What kind of selector is img? (a) an id selector (b) a class selector (c) an element selector
34. 34.🎯 Which element does the selector h1 style? (a) <div id="logo"> (b) <h1 class="menu"> (c) <li class="menu"> (d) <h2>
35. 35.🎯 What kind of selector is #end? (a) a class selector (b) an element selector (c) an id selector
36. 36.True or false: img is an element selector. (a) True (b) False
37. 37.🎯 Which element does the selector span style? (a) <p> (b) <span class="big"> (c) <h1 class="big"> (d) <h2 id="main">
38. 38.🎯 Which element does the selector .note style? (a) <li class="red"> (b) <h2 class="big"> (c) <h2 id="note"> (d) <h2 class="note">
39. 39.🎯 What kind of selector is h1? (a) a class selector (b) an id selector (c) an element selector
40. 40.🎯 Which element does the selector #top style? (a) <span id="intro"> (b) <p class="note"> (c) <span id="top"> (d) <span class="top">

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