CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 184 · 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="note" id="main">Hello</p> (a) #logo (b) .main (c) #main (d) h1
2. 2.🎯 Which CSS selector matches this element?
   <h2 class="big" id="end">Hello</h2> (a) .end (b) .big (c) li (d) .red
3. 3.🎯 Which CSS selector matches this element?
   <span class="box" id="top">Hello</span> (a) .top (b) p (c) .star (d) span
4. 4.🎯 Can many elements share the same class? (a) No (b) Yes
5. 5.🎯 Which element does the selector .big style? (a) <li id="big"> (b) <div class="box"> (c) <li class="red"> (d) <li class="big">
6. 6.🎯 What kind of selector is .note? (a) a class selector (b) an element selector (c) an id selector
7. 7.🎯 Which CSS selector matches this element?
   <p class="menu" id="top">Hello</p> (a) #menu (b) #intro (c) .note (d) .menu
8. 8.True or false: #top is an id selector. (a) True (b) False
9. 9.🎯 Which sign starts an id selector? (a) & (b) # (c) . (d) @
10. 10.🎯 What kind of selector is body? (a) a class selector (b) an id selector (c) an element selector
11. 11.🎯 Which element does the selector span style? (a) <p> (b) <span class="note"> (c) <h2 id="end"> (d) <h1 class="note">
12. 12.🎯 What kind of selector is .card? (a) a class selector (b) an element selector (c) an id selector
13. 13.🎯 How many elements on a page should have the same id? (a) any number (b) 2 (c) 1 (d) 5
14. 14.🎯 Which sign starts a class selector? (a) @ (b) . (c) # (d) &
15. 15.🎯 Which CSS selector matches this element?
    <p class="star" id="end">Hello</p> (a) h1 (b) #star (c) .end (d) p
16. 16.🎯 Which CSS selector matches this element?
    <div class="big" id="top">Hello</div> (a) .red (b) div (c) .top (d) span
17. 17.True or false: #hero is an id selector. (a) False (b) True
18. 18.🎯 What kind of selector is .menu? (a) an id selector (b) an element selector (c) a class selector
19. 19.True or false: li is an id selector. (a) False (b) True
20. 20.🎯 Which CSS selector matches this element?
    <h2 class="note" id="hero">Hello</h2> (a) .hero (b) #top (c) li (d) h2
21. 21.🎯 Which CSS selector matches this element?
    <h1 class="red" id="intro">Hello</h1> (a) .box (b) #main (c) h1 (d) .intro
22. 22.🎯 Which CSS selector matches this element?
    <span class="box" id="hero">Hello</span> (a) p (b) .box (c) #top (d) .star
23. 23.🎯 What kind of selector is li? (a) a class selector (b) an id selector (c) an element selector
24. 24.🎯 What kind of selector is .star? (a) an id selector (b) an element selector (c) a class selector
25. 25.🎯 Which CSS selector matches this element?
    <h2 class="big" id="end">Hello</h2> (a) li (b) h2 (c) #big (d) #hero
26. 26.True or false: .note is an id selector. (a) False (b) True
27. 27.🎯 Which CSS selector matches this element?
    <div class="menu" id="main">Hello</div> (a) div (b) #logo (c) .note (d) .main
28. 28.🎯 Which CSS selector matches this element?
    <li class="big" id="end">Hello</li> (a) div (b) .red (c) .end (d) .big
29. 29.🎯 Which CSS selector matches this element?
    <p class="menu" id="hero">Hello</p> (a) #menu (b) h1 (c) #top (d) p
30. 30.True or false: #logo is an id selector. (a) True (b) False
31. 31.🎯 Which CSS selector matches this element?
    <li class="box" id="top">Hello</li> (a) .top (b) #top (c) #box (d) div
32. 32.🎯 Which element does the selector .menu style? (a) <span class="note"> (b) <span id="menu"> (c) <p class="big"> (d) <span class="menu">
33. 33.🎯 Which element does the selector div style? (a) <span> (b) <div class="menu"> (c) <h1 id="top"> (d) <p class="menu">
34. 34.🎯 Which element does the selector li style? (a) <div> (b) <li class="star"> (c) <p id="main"> (d) <span class="star">
35. 35.🎯 Which CSS selector matches this element?
    <p class="big" id="main">Hello</p> (a) #main (b) .red (c) h1 (d) .main
36. 36.True or false: #top is an element selector. (a) False (b) True
37. 37.True or false: #logo is a class selector. (a) False (b) True
38. 38.True or false: img is an id selector. (a) False (b) True
39. 39.🎯 Which element does the selector span style? (a) <p> (b) <span class="star"> (c) <h1 class="star"> (d) <h2 id="hero">
40. 40.🎯 What kind of selector is #top? (a) an element selector (b) a class selector (c) an id selector

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