CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 222 · 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 #top style? (a) <p id="intro"> (b) <h1 class="menu"> (c) <p class="top"> (d) <p id="top">
2. 2.🎯 What kind of selector is .menu? (a) an id selector (b) a class selector (c) an element selector
3. 3.🎯 Which element does the selector #intro style? (a) <li class="star"> (b) <h2 id="main"> (c) <h2 class="intro"> (d) <h2 id="intro">
4. 4.🎯 Which CSS selector matches this element?
   <p class="big" id="intro">Hello</p> (a) .red (b) h1 (c) .big (d) #big
5. 5.🎯 Which element does the selector #top style? (a) <span id="intro"> (b) <span id="top"> (c) <span class="top"> (d) <p class="menu">
6. 6.🎯 Which element does the selector h1 style? (a) <li class="note"> (b) <h2> (c) <div id="intro"> (d) <h1 class="note">
7. 7.🎯 How many elements on a page should have the same id? (a) 1 (b) 2 (c) 5 (d) any number
8. 8.True or false: .card is a class selector. (a) False (b) True
9. 9.🎯 Which element does the selector #top style? (a) <li class="red"> (b) <h2 id="top"> (c) <h2 class="top"> (d) <h2 id="intro">
10. 10.🎯 Which element does the selector h1 style? (a) <li class="box"> (b) <h2> (c) <h1 class="box"> (d) <div id="intro">
11. 11.🎯 Which element does the selector p style? (a) <h1> (b) <h2 class="star"> (c) <p class="star"> (d) <li id="main">
12. 12.True or false: #main is a class selector. (a) False (b) True
13. 13.🎯 Which CSS selector matches this element?
    <p class="box" id="end">Hello</p> (a) #hero (b) .star (c) #box (d) .box
14. 14.🎯 Which element does the selector .box style? (a) <span class="star"> (b) <span id="box"> (c) <span class="box"> (d) <p class="menu">
15. 15.🎯 What kind of selector is .big? (a) a class selector (b) an id selector (c) an element selector
16. 16.🎯 Which CSS selector matches this element?
    <p class="star" id="main">Hello</p> (a) .menu (b) .main (c) #star (d) p
17. 17.🎯 Which CSS selector matches this element?
    <p class="red" id="top">Hello</p> (a) .box (b) #intro (c) #top (d) h1
18. 18.🎯 Which element does the selector span style? (a) <h2 id="main"> (b) <p> (c) <span class="red"> (d) <h1 class="red">
19. 19.🎯 Which element does the selector .big style? (a) <p class="red"> (b) <p id="big"> (c) <p class="big"> (d) <h1 class="box">
20. 20.🎯 What kind of selector is p? (a) an id selector (b) a class selector (c) an element selector
21. 21.🎯 Which CSS selector matches this element?
    <div class="box" id="main">Hello</div> (a) #box (b) span (c) .main (d) div
22. 22.🎯 Can many elements share the same class? (a) No (b) Yes
23. 23.🎯 Which element does the selector p style? (a) <h2 class="menu"> (b) <h1> (c) <p class="menu"> (d) <li id="hero">
24. 24.🎯 Which element does the selector .menu style? (a) <span class="note"> (b) <span class="menu"> (c) <p class="big"> (d) <span id="menu">
25. 25.🎯 Which element does the selector li style? (a) <p id="hero"> (b) <span class="red"> (c) <li class="red"> (d) <div>
26. 26.🎯 Which sign starts an id selector? (a) # (b) & (c) . (d) @
27. 27.🎯 Which element does the selector #main style? (a) <p id="logo"> (b) <h1 class="red"> (c) <p id="main"> (d) <p class="main">
28. 28.🎯 Which sign starts a class selector? (a) # (b) & (c) @ (d) .
29. 29.🎯 What kind of selector is .note? (a) an id selector (b) an element selector (c) a class selector
30. 30.🎯 Which CSS selector matches this element?
    <li class="star" id="main">Hello</li> (a) #main (b) #logo (c) #star (d) div
31. 31.🎯 What kind of selector is .card? (a) an id selector (b) a class selector (c) an element selector
32. 32.🎯 Which element does the selector .note style? (a) <p class="big"> (b) <p class="note"> (c) <h1 class="red"> (d) <p id="note">
33. 33.🎯 Which CSS selector matches this element?
    <p class="red" id="intro">Hello</p> (a) .box (b) #red (c) #intro (d) #main
34. 34.True or false: h1 is an id selector. (a) True (b) False
35. 35.True or false: .menu is a class selector. (a) True (b) False
36. 36.🎯 What kind of selector is #top? (a) an id selector (b) a class selector (c) an element selector
37. 37.🎯 Which CSS selector matches this element?
    <span class="menu" id="hero">Hello</span> (a) p (b) .menu (c) #top (d) #menu
38. 38.🎯 Which element does the selector #end style? (a) <p class="end"> (b) <p id="end"> (c) <h1 class="big"> (d) <p id="hero">
39. 39.🎯 What kind of selector is .star? (a) a class selector (b) an element selector (c) an id selector
40. 40.🎯 What kind of selector is h1? (a) an id selector (b) a class selector (c) an element selector

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