CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 599 · 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.🎯 What kind of selector is p? (a) an element selector (b) a class selector (c) an id selector
2. 2.True or false: .card is an id selector. (a) False (b) True
3. 3.🎯 Which CSS selector matches this element?
   <h2 class="note" id="end">Hello</h2> (a) .end (b) #end (c) .big (d) li
4. 4.🎯 Which element does the selector p style? (a) <li id="top"> (b) <h2 class="box"> (c) <h1> (d) <p class="box">
5. 5.🎯 What kind of selector is .note? (a) a class selector (b) an id selector (c) an element selector
6. 6.🎯 Which element does the selector #logo style? (a) <span class="box"> (b) <div id="logo"> (c) <div class="logo"> (d) <div id="end">
7. 7.🎯 Which CSS selector matches this element?
   <h1 class="menu" id="top">Hello</h1> (a) #intro (b) #menu (c) .menu (d) .top
8. 8.🎯 What kind of selector is .card? (a) an element selector (b) an id selector (c) a class selector
9. 9.True or false: .menu is a class selector. (a) False (b) True
10. 10.🎯 Which sign starts a class selector? (a) # (b) & (c) . (d) @
11. 11.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="top">Hello</h2> (a) li (b) .note (c) h2 (d) .top
12. 12.🎯 Which element does the selector li style? (a) <div> (b) <p id="end"> (c) <li class="star"> (d) <span class="star">
13. 13.🎯 Which element does the selector #main style? (a) <p id="main"> (b) <h1 class="menu"> (c) <p id="logo"> (d) <p class="main">
14. 14.🎯 Which CSS selector matches this element?
    <div class="big" id="intro">Hello</div> (a) span (b) #main (c) div (d) .intro
15. 15.🎯 Which CSS selector matches this element?
    <span class="red" id="main">Hello</span> (a) #main (b) #red (c) p (d) #logo
16. 16.🎯 Can many elements share the same class? (a) No (b) Yes
17. 17.🎯 How many elements on a page should have the same id? (a) 1 (b) 2 (c) any number (d) 5
18. 18.🎯 Which element does the selector .note style? (a) <h1 class="red"> (b) <p class="big"> (c) <p class="note"> (d) <p id="note">
19. 19.True or false: img is a class selector. (a) True (b) False
20. 20.🎯 Which element does the selector h1 style? (a) <h1 class="big"> (b) <div id="logo"> (c) <h2> (d) <li class="big">
21. 21.🎯 Which CSS selector matches this element?
    <li class="menu" id="intro">Hello</li> (a) #menu (b) div (c) #intro (d) #main
22. 22.🎯 Which element does the selector #main style? (a) <span class="main"> (b) <span id="main"> (c) <span id="logo"> (d) <p class="note">
23. 23.🎯 Which element does the selector div style? (a) <p class="box"> (b) <span> (c) <h1 id="top"> (d) <div class="box">
24. 24.🎯 Which CSS selector matches this element?
    <li class="big" id="hero">Hello</li> (a) .hero (b) div (c) .red (d) li
25. 25.🎯 Which CSS selector matches this element?
    <span class="big" id="logo">Hello</span> (a) .logo (b) #end (c) .red (d) span
26. 26.🎯 Which element does the selector li style? (a) <div> (b) <p id="hero"> (c) <span class="menu"> (d) <li class="menu">
27. 27.True or false: .star is an id selector. (a) True (b) False
28. 28.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="main">Hello</h2> (a) .main (b) #logo (c) h2 (d) li
29. 29.🎯 Which element does the selector .star style? (a) <span id="star"> (b) <p class="note"> (c) <span class="menu"> (d) <span class="star">
30. 30.🎯 Which CSS selector matches this element?
    <p class="note" id="intro">Hello</p> (a) #note (b) .intro (c) p (d) .big
31. 31.🎯 Which element does the selector h1 style? (a) <h2> (b) <li class="note"> (c) <div id="logo"> (d) <h1 class="note">
32. 32.🎯 Which CSS selector matches this element?
    <h1 class="red" id="end">Hello</h1> (a) h1 (b) #hero (c) .end (d) h2
33. 33.True or false: #hero is an id selector. (a) False (b) True
34. 34.🎯 Which element does the selector div style? (a) <span> (b) <div class="menu"> (c) <p class="menu"> (d) <h1 id="logo">
35. 35.🎯 Which element does the selector .red style? (a) <div class="red"> (b) <div id="red"> (c) <span class="star"> (d) <div class="box">
36. 36.🎯 What kind of selector is .menu? (a) a class selector (b) an id selector (c) an element selector
37. 37.🎯 Which sign starts an id selector? (a) & (b) . (c) # (d) @
38. 38.🎯 Which element does the selector div style? (a) <div class="big"> (b) <p class="big"> (c) <h1 id="intro"> (d) <span>
39. 39.🎯 Which CSS selector matches this element?
    <p class="box" id="main">Hello</p> (a) #box (b) .main (c) #logo (d) p
40. 40.🎯 Which element does the selector .big style? (a) <p class="box"> (b) <span class="red"> (c) <span class="big"> (d) <span id="big">

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