CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 383 · 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 div style? (a) <span> (b) <div class="star"> (c) <p class="star"> (d) <h1 id="top">
2. 2.True or false: .menu is an id selector. (a) True (b) False
3. 3.True or false: #end is an id selector. (a) False (b) True
4. 4.🎯 What kind of selector is p? (a) a class selector (b) an element selector (c) an id selector
5. 5.True or false: #hero is an element selector. (a) False (b) True
6. 6.🎯 What kind of selector is #main? (a) an id selector (b) an element selector (c) a class selector
7. 7.True or false: .card is an id selector. (a) True (b) False
8. 8.🎯 Which element does the selector .star style? (a) <h1 class="star"> (b) <h1 class="menu"> (c) <h2 class="note"> (d) <h1 id="star">
9. 9.🎯 What kind of selector is .note? (a) an element selector (b) a class selector (c) an id selector
10. 10.🎯 Which element does the selector h2 style? (a) <div class="box"> (b) <li> (c) <h2 class="box"> (d) <span id="end">
11. 11.True or false: body is an id selector. (a) False (b) True
12. 12.True or false: body is an element selector. (a) False (b) True
13. 13.🎯 Which sign starts a class selector? (a) . (b) # (c) & (d) @
14. 14.🎯 What kind of selector is #logo? (a) an element selector (b) an id selector (c) a class selector
15. 15.True or false: #main is an id selector. (a) False (b) True
16. 16.🎯 Which CSS selector matches this element?
    <li class="big" id="end">Hello</li> (a) #big (b) .red (c) #hero (d) #end
17. 17.🎯 Which CSS selector matches this element?
    <span class="menu" id="logo">Hello</span> (a) .logo (b) #end (c) #logo (d) p
18. 18.🎯 Which CSS selector matches this element?
    <h2 class="star" id="top">Hello</h2> (a) #star (b) #top (c) li (d) .top
19. 19.🎯 Which element does the selector span style? (a) <h1 class="note"> (b) <span class="note"> (c) <h2 id="hero"> (d) <p>
20. 20.🎯 What kind of selector is #top? (a) an element selector (b) a class selector (c) an id selector
21. 21.🎯 Which sign starts an id selector? (a) . (b) # (c) @ (d) &
22. 22.🎯 Which element does the selector li style? (a) <div> (b) <li class="red"> (c) <span class="red"> (d) <p id="hero">
23. 23.🎯 Which CSS selector matches this element?
    <div class="red" id="intro">Hello</div> (a) div (b) .intro (c) #red (d) #main
24. 24.🎯 Which CSS selector matches this element?
    <li class="star" id="end">Hello</li> (a) div (b) #end (c) .menu (d) #star
25. 25.🎯 Which CSS selector matches this element?
    <li class="red" id="logo">Hello</li> (a) div (b) .red (c) .box (d) .logo
26. 26.🎯 How many elements on a page should have the same id? (a) 1 (b) 5 (c) any number (d) 2
27. 27.🎯 Which element does the selector p style? (a) <h2 class="box"> (b) <li id="main"> (c) <h1> (d) <p class="box">
28. 28.🎯 What kind of selector is img? (a) a class selector (b) an element selector (c) an id selector
29. 29.🎯 Which element does the selector .big style? (a) <span class="red"> (b) <span id="big"> (c) <p class="box"> (d) <span class="big">
30. 30.True or false: li is a class selector. (a) False (b) True
31. 31.True or false: .star is an element selector. (a) False (b) True
32. 32.🎯 Which CSS selector matches this element?
    <p class="note" id="intro">Hello</p> (a) .big (b) #note (c) p (d) #main
33. 33.🎯 Which CSS selector matches this element?
    <li class="big" id="top">Hello</li> (a) #intro (b) .red (c) #big (d) .big
34. 34.True or false: .note is a class selector. (a) True (b) False
35. 35.🎯 Which CSS selector matches this element?
    <li class="star" id="top">Hello</li> (a) #intro (b) .menu (c) #star (d) .star
36. 36.🎯 Which element does the selector #logo style? (a) <li class="logo"> (b) <li id="end"> (c) <li id="logo"> (d) <div class="big">
37. 37.🎯 Which CSS selector matches this element?
    <div class="red" id="end">Hello</div> (a) #hero (b) .end (c) .box (d) #end
38. 38.🎯 Which CSS selector matches this element?
    <div class="big" id="main">Hello</div> (a) #logo (b) #big (c) .big (d) .red
39. 39.🎯 Which CSS selector matches this element?
    <h1 class="big" id="end">Hello</h1> (a) #hero (b) .red (c) #end (d) .end
40. 40.🎯 Which CSS selector matches this element?
    <h2 class="note" id="top">Hello</h2> (a) #intro (b) #note (c) h2 (d) li

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