CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 825 · 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?
   <h2 class="menu" id="end">Hello</h2> (a) h2 (b) li (c) #menu (d) #hero
2. 2.🎯 Which sign starts a class selector? (a) @ (b) # (c) & (d) .
3. 3.🎯 Which element does the selector #logo style? (a) <div id="end"> (b) <span class="note"> (c) <div id="logo"> (d) <div class="logo">
4. 4.🎯 Which sign starts an id selector? (a) # (b) & (c) . (d) @
5. 5.🎯 How many elements on a page should have the same id? (a) 2 (b) 5 (c) 1 (d) any number
6. 6.🎯 Which element does the selector #end style? (a) <h2 class="end"> (b) <li class="menu"> (c) <h2 id="end"> (d) <h2 id="hero">
7. 7.🎯 What kind of selector is .note? (a) an id selector (b) an element selector (c) a class selector
8. 8.🎯 Which element does the selector #main style? (a) <span id="logo"> (b) <span id="main"> (c) <p class="big"> (d) <span class="main">
9. 9.True or false: #logo is an id selector. (a) True (b) False
10. 10.🎯 Which CSS selector matches this element?
    <p class="star" id="logo">Hello</p> (a) #star (b) h1 (c) .logo (d) .star
11. 11.🎯 Which CSS selector matches this element?
    <h2 class="big" id="hero">Hello</h2> (a) #top (b) #big (c) .big (d) li
12. 12.🎯 Which CSS selector matches this element?
    <li class="red" id="intro">Hello</li> (a) #main (b) li (c) .box (d) .intro
13. 13.🎯 What kind of selector is body? (a) an id selector (b) an element selector (c) a class selector
14. 14.True or false: li is an element selector. (a) False (b) True
15. 15.🎯 What kind of selector is .card? (a) an id selector (b) a class selector (c) an element selector
16. 16.🎯 Which CSS selector matches this element?
    <h1 class="star" id="logo">Hello</h1> (a) h2 (b) #star (c) #end (d) .star
17. 17.🎯 Which CSS selector matches this element?
    <p class="star" id="intro">Hello</p> (a) .menu (b) h1 (c) #star (d) .star
18. 18.🎯 Which CSS selector matches this element?
    <div class="box" id="hero">Hello</div> (a) #top (b) #hero (c) .star (d) #box
19. 19.🎯 Can many elements share the same class? (a) Yes (b) No
20. 20.🎯 Which element does the selector .red style? (a) <span class="star"> (b) <div class="box"> (c) <div class="red"> (d) <div id="red">
21. 21.🎯 Which element does the selector p style? (a) <li id="top"> (b) <p class="red"> (c) <h2 class="red"> (d) <h1>
22. 22.🎯 Which element does the selector p style? (a) <h1> (b) <li id="top"> (c) <p class="note"> (d) <h2 class="note">
23. 23.🎯 Which CSS selector matches this element?
    <li class="red" id="main">Hello</li> (a) div (b) .box (c) #logo (d) #main
24. 24.🎯 Which CSS selector matches this element?
    <span class="star" id="end">Hello</span> (a) .star (b) #star (c) .menu (d) .end
25. 25.🎯 What kind of selector is .big? (a) an id selector (b) an element selector (c) a class selector
26. 26.🎯 Which CSS selector matches this element?
    <h2 class="note" id="main">Hello</h2> (a) #logo (b) h2 (c) li (d) #note
27. 27.True or false: p is a class selector. (a) False (b) True
28. 28.🎯 Which element does the selector h2 style? (a) <h2 class="box"> (b) <div class="box"> (c) <li> (d) <span id="logo">
29. 29.🎯 What kind of selector is h1? (a) an element selector (b) an id selector (c) a class selector
30. 30.🎯 Which element does the selector p style? (a) <h2 class="big"> (b) <p class="big"> (c) <li id="main"> (d) <h1>
31. 31.🎯 What kind of selector is .menu? (a) a class selector (b) an id selector (c) an element selector
32. 32.True or false: #main is a class selector. (a) True (b) False
33. 33.True or false: .big is a class selector. (a) True (b) False
34. 34.🎯 Which CSS selector matches this element?
    <h1 class="star" id="end">Hello</h1> (a) #hero (b) .end (c) .star (d) .menu
35. 35.🎯 Which element does the selector #top style? (a) <p class="top"> (b) <p id="top"> (c) <p id="intro"> (d) <h1 class="note">
36. 36.🎯 Which CSS selector matches this element?
    <p class="big" id="logo">Hello</p> (a) #end (b) p (c) #big (d) .red
37. 37.🎯 Which element does the selector .star style? (a) <li class="menu"> (b) <li id="star"> (c) <div class="note"> (d) <li class="star">
38. 38.🎯 Which CSS selector matches this element?
    <h2 class="star" id="hero">Hello</h2> (a) .menu (b) li (c) .hero (d) h2
39. 39.🎯 Which element does the selector div style? (a) <span> (b) <p class="red"> (c) <h1 id="top"> (d) <div class="red">
40. 40.True or false: .card is an id selector. (a) False (b) True

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