CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 374 · 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 .note style? (a) <h1 class="note"> (b) <h1 id="note"> (c) <h2 class="red"> (d) <h1 class="big">
2. 2.🎯 Which CSS selector matches this element?
   <h1 class="red" id="hero">Hello</h1> (a) h2 (b) #top (c) h1 (d) .hero
3. 3.🎯 Which CSS selector matches this element?
   <h1 class="big" id="main">Hello</h1> (a) #big (b) .red (c) .big (d) h2
4. 4.🎯 Which CSS selector matches this element?
   <li class="big" id="end">Hello</li> (a) #big (b) .big (c) #hero (d) .red
5. 5.🎯 Which CSS selector matches this element?
   <li class="note" id="main">Hello</li> (a) div (b) #logo (c) .main (d) #main
6. 6.True or false: .star is an id selector. (a) True (b) False
7. 7.🎯 Which element does the selector .menu style? (a) <p class="big"> (b) <span class="note"> (c) <span class="menu"> (d) <span id="menu">
8. 8.🎯 Which element does the selector .menu style? (a) <li class="menu"> (b) <li class="note"> (c) <li id="menu"> (d) <div class="big">
9. 9.🎯 Which CSS selector matches this element?
   <h2 class="note" id="intro">Hello</h2> (a) .note (b) .big (c) #main (d) .intro
10. 10.🎯 Which CSS selector matches this element?
    <h2 class="box" id="main">Hello</h2> (a) .star (b) #box (c) .main (d) #main
11. 11.🎯 Can many elements share the same class? (a) Yes (b) No
12. 12.🎯 Which sign starts a class selector? (a) . (b) & (c) # (d) @
13. 13.🎯 What kind of selector is p? (a) an element selector (b) a class selector (c) an id selector
14. 14.🎯 Which CSS selector matches this element?
    <h2 class="red" id="top">Hello</h2> (a) #red (b) h2 (c) .box (d) li
15. 15.True or false: #top is a class selector. (a) False (b) True
16. 16.🎯 Which CSS selector matches this element?
    <span class="menu" id="hero">Hello</span> (a) #menu (b) .hero (c) #top (d) #hero
17. 17.🎯 Which element does the selector .note style? (a) <p class="red"> (b) <span class="note"> (c) <span id="note"> (d) <span class="big">
18. 18.🎯 Which CSS selector matches this element?
    <div class="red" id="main">Hello</div> (a) #red (b) .box (c) .red (d) span
19. 19.🎯 Which CSS selector matches this element?
    <h2 class="big" id="intro">Hello</h2> (a) h2 (b) li (c) #big (d) .intro
20. 20.🎯 Which CSS selector matches this element?
    <div class="red" id="end">Hello</div> (a) div (b) #hero (c) .box (d) span
21. 21.🎯 Which CSS selector matches this element?
    <p class="menu" id="logo">Hello</p> (a) h1 (b) #logo (c) #menu (d) #end
22. 22.🎯 Which CSS selector matches this element?
    <h2 class="note" id="main">Hello</h2> (a) .note (b) .big (c) #logo (d) li
23. 23.🎯 What kind of selector is h1? (a) an id selector (b) a class selector (c) an element selector
24. 24.🎯 Which element does the selector #intro style? (a) <h2 class="red"> (b) <h1 class="intro"> (c) <h1 id="main"> (d) <h1 id="intro">
25. 25.🎯 Which element does the selector #logo style? (a) <div class="logo"> (b) <div id="end"> (c) <div id="logo"> (d) <span class="note">
26. 26.🎯 How many elements on a page should have the same id? (a) any number (b) 1 (c) 2 (d) 5
27. 27.🎯 Which CSS selector matches this element?
    <p class="menu" id="logo">Hello</p> (a) .menu (b) .note (c) #menu (d) #end
28. 28.🎯 Which CSS selector matches this element?
    <h1 class="note" id="intro">Hello</h1> (a) h1 (b) .intro (c) #note (d) h2
29. 29.🎯 Which CSS selector matches this element?
    <h1 class="box" id="main">Hello</h1> (a) h1 (b) .main (c) #logo (d) #box
30. 30.True or false: img is an id selector. (a) False (b) True
31. 31.🎯 Which element does the selector li style? (a) <li class="star"> (b) <div> (c) <span class="star"> (d) <p id="top">
32. 32.🎯 Which element does the selector .red style? (a) <h2 class="red"> (b) <h2 class="box"> (c) <li class="star"> (d) <h2 id="red">
33. 33.🎯 Which CSS selector matches this element?
    <p class="star" id="logo">Hello</p> (a) p (b) #star (c) .menu (d) .logo
34. 34.True or false: #hero is an id selector. (a) True (b) False
35. 35.🎯 What kind of selector is body? (a) a class selector (b) an element selector (c) an id selector
36. 36.🎯 Which sign starts an id selector? (a) . (b) # (c) & (d) @
37. 37.True or false: li is an element selector. (a) False (b) True
38. 38.🎯 Which element does the selector p style? (a) <h2 class="star"> (b) <li id="top"> (c) <p class="star"> (d) <h1>
39. 39.True or false: .menu is a class selector. (a) True (b) False
40. 40.🎯 Which element does the selector .star style? (a) <h2 class="star"> (b) <h2 class="menu"> (c) <h2 id="star"> (d) <li class="note">

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