CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 347 · 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 element does the selector .star style? (a) <p class="menu"> (b) <p class="star"> (c) <p id="star"> (d) <h1 class="note">
2. 2.🎯 Which element does the selector h1 style? (a) <div id="top"> (b) <h1 class="star"> (c) <li class="star"> (d) <h2>
3. 3.🎯 Which CSS selector matches this element?
   <h1 class="big" id="hero">Hello</h1> (a) .red (b) h2 (c) #hero (d) .hero
4. 4.🎯 Which element does the selector .note style? (a) <div class="note"> (b) <div id="note"> (c) <span class="red"> (d) <div class="big">
5. 5.🎯 Which element does the selector .note style? (a) <p class="note"> (b) <p class="big"> (c) <h1 class="red"> (d) <p id="note">
6. 6.🎯 Which CSS selector matches this element?
   <h1 class="note" id="top">Hello</h1> (a) #note (b) .note (c) .top (d) .big
7. 7.True or false: #main is an id selector. (a) False (b) True
8. 8.🎯 Which CSS selector matches this element?
   <h1 class="star" id="top">Hello</h1> (a) .menu (b) .star (c) #star (d) h2
9. 9.True or false: #main is an element selector. (a) False (b) True
10. 10.🎯 Which sign starts an id selector? (a) # (b) @ (c) . (d) &
11. 11.🎯 Which element does the selector .box style? (a) <div class="menu"> (b) <li id="box"> (c) <li class="box"> (d) <li class="star">
12. 12.🎯 Which CSS selector matches this element?
    <li class="menu" id="top">Hello</li> (a) div (b) #intro (c) .menu (d) .note
13. 13.🎯 Which CSS selector matches this element?
    <span class="star" id="main">Hello</span> (a) #main (b) p (c) #star (d) .menu
14. 14.🎯 Which sign starts a class selector? (a) . (b) # (c) @ (d) &
15. 15.🎯 How many elements on a page should have the same id? (a) any number (b) 5 (c) 2 (d) 1
16. 16.🎯 Which CSS selector matches this element?
    <h2 class="red" id="end">Hello</h2> (a) #hero (b) li (c) h2 (d) #red
17. 17.🎯 Which element does the selector #top style? (a) <div class="red"> (b) <li id="top"> (c) <li class="top"> (d) <li id="intro">
18. 18.True or false: p is an element selector. (a) False (b) True
19. 19.True or false: h1 is an element selector. (a) False (b) True
20. 20.True or false: body is an element selector. (a) False (b) True
21. 21.🎯 Which CSS selector matches this element?
    <h2 class="note" id="logo">Hello</h2> (a) .logo (b) .big (c) h2 (d) li
22. 22.🎯 Which element does the selector .box style? (a) <p class="menu"> (b) <span id="box"> (c) <span class="box"> (d) <span class="star">
23. 23.True or false: .card is an element selector. (a) False (b) True
24. 24.🎯 Which CSS selector matches this element?
    <div class="star" id="hero">Hello</div> (a) .menu (b) #hero (c) #star (d) span
25. 25.🎯 Which element does the selector span style? (a) <p> (b) <h2 id="hero"> (c) <span class="star"> (d) <h1 class="star">
26. 26.🎯 Which element does the selector .note style? (a) <h2 class="note"> (b) <h2 id="note"> (c) <li class="red"> (d) <h2 class="big">
27. 27.🎯 Which CSS selector matches this element?
    <p class="star" id="top">Hello</p> (a) #star (b) #intro (c) .menu (d) p
28. 28.🎯 What kind of selector is #main? (a) an id selector (b) an element selector (c) a class selector
29. 29.🎯 Which CSS selector matches this element?
    <li class="box" id="main">Hello</li> (a) div (b) #logo (c) .main (d) li
30. 30.🎯 What kind of selector is .star? (a) an id selector (b) an element selector (c) a class selector
31. 31.🎯 Which element does the selector .menu style? (a) <li class="big"> (b) <h2 class="note"> (c) <h2 id="menu"> (d) <h2 class="menu">
32. 32.🎯 Which CSS selector matches this element?
    <span class="big" id="logo">Hello</span> (a) p (b) #end (c) #big (d) span
33. 33.True or false: img is an id selector. (a) True (b) False
34. 34.🎯 What kind of selector is .note? (a) an element selector (b) an id selector (c) a class selector
35. 35.🎯 What kind of selector is .card? (a) an element selector (b) an id selector (c) a class selector
36. 36.🎯 Which element does the selector .big style? (a) <h1 class="big"> (b) <h2 class="box"> (c) <h1 id="big"> (d) <h1 class="red">
37. 37.🎯 What kind of selector is li? (a) an id selector (b) a class selector (c) an element selector
38. 38.True or false: li is an element selector. (a) True (b) False
39. 39.🎯 Which element does the selector h2 style? (a) <li> (b) <div class="box"> (c) <span id="end"> (d) <h2 class="box">
40. 40.🎯 Which CSS selector matches this element?
    <li class="note" id="end">Hello</li> (a) li (b) .end (c) #note (d) .big

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