CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 539 · 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 p style? (a) <h2 class="note"> (b) <h1> (c) <p class="note"> (d) <li id="top">
2. 2.True or false: .big is an id selector. (a) False (b) True
3. 3.🎯 Which CSS selector matches this element?
   <span class="menu" id="hero">Hello</span> (a) #top (b) #menu (c) #hero (d) .note
4. 4.🎯 Which sign starts an id selector? (a) & (b) . (c) @ (d) #
5. 5.🎯 Which element does the selector .note style? (a) <p class="note"> (b) <p class="big"> (c) <p id="note"> (d) <h1 class="red">
6. 6.🎯 Which element does the selector #intro style? (a) <div class="red"> (b) <li id="intro"> (c) <li class="intro"> (d) <li id="main">
7. 7.True or false: #top is a class selector. (a) True (b) False
8. 8.🎯 Which element does the selector li style? (a) <span class="big"> (b) <div> (c) <li class="big"> (d) <p id="logo">
9. 9.🎯 What kind of selector is #top? (a) an element selector (b) an id selector (c) a class selector
10. 10.🎯 Which CSS selector matches this element?
    <p class="big" id="main">Hello</p> (a) #big (b) .big (c) #logo (d) .red
11. 11.True or false: body is an element selector. (a) False (b) True
12. 12.🎯 Which element does the selector .big style? (a) <div id="big"> (b) <div class="red"> (c) <div class="big"> (d) <span class="box">
13. 13.🎯 Which CSS selector matches this element?
    <li class="star" id="hero">Hello</li> (a) #top (b) div (c) li (d) .menu
14. 14.🎯 Which element does the selector h2 style? (a) <li> (b) <span id="top"> (c) <h2 class="box"> (d) <div class="box">
15. 15.🎯 What kind of selector is p? (a) a class selector (b) an id selector (c) an element selector
16. 16.🎯 What kind of selector is .card? (a) an element selector (b) an id selector (c) a class selector
17. 17.🎯 How many elements on a page should have the same id? (a) 1 (b) any number (c) 2 (d) 5
18. 18.🎯 Which element does the selector .big style? (a) <p class="red"> (b) <h1 class="box"> (c) <p class="big"> (d) <p id="big">
19. 19.🎯 Which element does the selector span style? (a) <span class="red"> (b) <p> (c) <h2 id="hero"> (d) <h1 class="red">
20. 20.🎯 Which element does the selector #end style? (a) <h2 id="hero"> (b) <h2 class="end"> (c) <li class="big"> (d) <h2 id="end">
21. 21.True or false: .big is a class selector. (a) True (b) False
22. 22.True or false: #logo is a class selector. (a) True (b) False
23. 23.🎯 Which CSS selector matches this element?
    <span class="box" id="main">Hello</span> (a) .main (b) #main (c) #box (d) #logo
24. 24.🎯 Which element does the selector h1 style? (a) <li class="big"> (b) <h2> (c) <h1 class="big"> (d) <div id="top">
25. 25.🎯 Which element does the selector span style? (a) <p> (b) <span class="menu"> (c) <h1 class="menu"> (d) <h2 id="logo">
26. 26.🎯 Which CSS selector matches this element?
    <h2 class="star" id="intro">Hello</h2> (a) .intro (b) .star (c) li (d) #star
27. 27.True or false: .card is a class selector. (a) False (b) True
28. 28.🎯 Which element does the selector div style? (a) <span> (b) <p class="big"> (c) <h1 id="top"> (d) <div class="big">
29. 29.🎯 Which CSS selector matches this element?
    <li class="big" id="hero">Hello</li> (a) .hero (b) li (c) div (d) #big
30. 30.True or false: .card is an element selector. (a) True (b) False
31. 31.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="top">Hello</h2> (a) #menu (b) .top (c) #intro (d) #top
32. 32.🎯 What kind of selector is #end? (a) an element selector (b) an id selector (c) a class selector
33. 33.🎯 Which CSS selector matches this element?
    <span class="star" id="logo">Hello</span> (a) #star (b) p (c) #logo (d) .menu
34. 34.🎯 What kind of selector is img? (a) an element selector (b) a class selector (c) an id selector
35. 35.🎯 Which element does the selector h2 style? (a) <span id="hero"> (b) <li> (c) <h2 class="big"> (d) <div class="big">
36. 36.🎯 Which CSS selector matches this element?
    <div class="star" id="end">Hello</div> (a) .menu (b) #star (c) .star (d) .end
37. 37.🎯 Which element does the selector div style? (a) <p class="star"> (b) <span> (c) <div class="star"> (d) <h1 id="top">
38. 38.🎯 Which sign starts a class selector? (a) # (b) . (c) @ (d) &
39. 39.🎯 What kind of selector is .note? (a) a class selector (b) an element selector (c) an id selector
40. 40.🎯 Which CSS selector matches this element?
    <span class="note" id="intro">Hello</span> (a) .big (b) #note (c) p (d) .note

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