CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 812 · 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 #logo style? (a) <div class="logo"> (b) <div id="logo"> (c) <div id="end"> (d) <span class="menu">
2. 2.🎯 What kind of selector is .card? (a) an element selector (b) a class selector (c) an id selector
3. 3.🎯 What kind of selector is .big? (a) an element selector (b) an id selector (c) a class selector
4. 4.🎯 Which element does the selector .star style? (a) <span class="star"> (b) <span id="star"> (c) <p class="note"> (d) <span class="menu">
5. 5.True or false: #logo is an element selector. (a) False (b) True
6. 6.🎯 Which element does the selector #intro style? (a) <p id="intro"> (b) <h1 class="big"> (c) <p id="main"> (d) <p class="intro">
7. 7.🎯 What kind of selector is body? (a) a class selector (b) an element selector (c) an id selector
8. 8.🎯 What kind of selector is p? (a) an id selector (b) an element selector (c) a class selector
9. 9.🎯 Which element does the selector .note style? (a) <span class="big"> (b) <p class="red"> (c) <span id="note"> (d) <span class="note">
10. 10.True or false: .card is a class selector. (a) True (b) False
11. 11.🎯 What kind of selector is #end? (a) a class selector (b) an id selector (c) an element selector
12. 12.🎯 Which sign starts a class selector? (a) # (b) @ (c) & (d) .
13. 13.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="top">Hello</h2> (a) #top (b) #intro (c) li (d) .note
14. 14.True or false: #logo is an id selector. (a) True (b) False
15. 15.🎯 Which element does the selector #hero style? (a) <li id="top"> (b) <li id="hero"> (c) <div class="box"> (d) <li class="hero">
16. 16.🎯 Which element does the selector .box style? (a) <span class="box"> (b) <span class="star"> (c) <p class="menu"> (d) <span id="box">
17. 17.🎯 What kind of selector is .star? (a) an id selector (b) a class selector (c) an element selector
18. 18.🎯 Which CSS selector matches this element?
    <h2 class="star" id="end">Hello</h2> (a) .menu (b) h2 (c) #hero (d) .end
19. 19.True or false: #hero is an element selector. (a) True (b) False
20. 20.🎯 Which CSS selector matches this element?
    <p class="star" id="intro">Hello</p> (a) p (b) .menu (c) #star (d) #main
21. 21.🎯 What kind of selector is li? (a) an id selector (b) an element selector (c) a class selector
22. 22.🎯 Which CSS selector matches this element?
    <li class="red" id="top">Hello</li> (a) .top (b) #intro (c) #top (d) #red
23. 23.🎯 How many elements on a page should have the same id? (a) any number (b) 5 (c) 1 (d) 2
24. 24.🎯 Can many elements share the same class? (a) No (b) Yes
25. 25.🎯 Which sign starts an id selector? (a) @ (b) & (c) # (d) .
26. 26.🎯 Which CSS selector matches this element?
    <h1 class="star" id="intro">Hello</h1> (a) #main (b) #star (c) .intro (d) .star
27. 27.True or false: .big is a class selector. (a) True (b) False
28. 28.🎯 Which element does the selector .big style? (a) <span id="big"> (b) <p class="box"> (c) <span class="red"> (d) <span class="big">
29. 29.🎯 Which element does the selector .big style? (a) <li id="big"> (b) <div class="box"> (c) <li class="big"> (d) <li class="red">
30. 30.🎯 Which element does the selector span style? (a) <p> (b) <h2 id="end"> (c) <h1 class="star"> (d) <span class="star">
31. 31.🎯 Which CSS selector matches this element?
    <div class="star" id="intro">Hello</div> (a) span (b) div (c) #main (d) .menu
32. 32.🎯 Which CSS selector matches this element?
    <span class="box" id="intro">Hello</span> (a) #box (b) #intro (c) p (d) #main
33. 33.True or false: .star is a class selector. (a) False (b) True
34. 34.True or false: #main is an id selector. (a) True (b) False
35. 35.🎯 Which element does the selector li style? (a) <div> (b) <p id="main"> (c) <span class="note"> (d) <li class="note">
36. 36.🎯 Which CSS selector matches this element?
    <h1 class="note" id="end">Hello</h1> (a) .note (b) .end (c) h2 (d) #hero
37. 37.🎯 Which CSS selector matches this element?
    <h2 class="box" id="main">Hello</h2> (a) li (b) #logo (c) #box (d) .box
38. 38.🎯 Which element does the selector p style? (a) <li id="hero"> (b) <p class="box"> (c) <h2 class="box"> (d) <h1>
39. 39.🎯 Which CSS selector matches this element?
    <h1 class="note" id="hero">Hello</h1> (a) #note (b) h1 (c) .big (d) .hero
40. 40.🎯 Which CSS selector matches this element?
    <span class="box" id="end">Hello</span> (a) #box (b) span (c) .star (d) .end

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