CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 891 · 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 .card? (a) an element selector (b) a class selector (c) an id selector
2. 2.🎯 Which element does the selector li style? (a) <p id="main"> (b) <div> (c) <span class="menu"> (d) <li class="menu">
3. 3.🎯 How many elements on a page should have the same id? (a) 5 (b) 2 (c) 1 (d) any number
4. 4.🎯 Which CSS selector matches this element?
   <li class="big" id="logo">Hello</li> (a) .red (b) #end (c) .big (d) .logo
5. 5.🎯 Which CSS selector matches this element?
   <h1 class="big" id="end">Hello</h1> (a) h2 (b) .end (c) .big (d) #big
6. 6.🎯 Which CSS selector matches this element?
   <p class="note" id="logo">Hello</p> (a) .big (b) .logo (c) #note (d) #logo
7. 7.🎯 Which element does the selector p style? (a) <p class="star"> (b) <li id="hero"> (c) <h2 class="star"> (d) <h1>
8. 8.🎯 Which CSS selector matches this element?
   <h1 class="red" id="intro">Hello</h1> (a) h2 (b) #red (c) h1 (d) .box
9. 9.🎯 Which CSS selector matches this element?
   <h2 class="star" id="main">Hello</h2> (a) #logo (b) .star (c) .menu (d) .main
10. 10.🎯 Which element does the selector #intro style? (a) <p class="star"> (b) <span id="intro"> (c) <span class="intro"> (d) <span id="main">
11. 11.True or false: .menu is an element selector. (a) True (b) False
12. 12.True or false: li is a class selector. (a) False (b) True
13. 13.🎯 Which sign starts an id selector? (a) & (b) @ (c) . (d) #
14. 14.🎯 Which element does the selector .big style? (a) <h1 class="red"> (b) <h2 class="box"> (c) <h1 id="big"> (d) <h1 class="big">
15. 15.🎯 Which CSS selector matches this element?
    <li class="note" id="end">Hello</li> (a) #hero (b) div (c) .big (d) .note
16. 16.🎯 Which CSS selector matches this element?
    <h1 class="menu" id="logo">Hello</h1> (a) h1 (b) #menu (c) h2 (d) #end
17. 17.🎯 What kind of selector is #logo? (a) an id selector (b) a class selector (c) an element selector
18. 18.🎯 Which CSS selector matches this element?
    <h1 class="red" id="top">Hello</h1> (a) #red (b) #intro (c) #top (d) h2
19. 19.🎯 Which element does the selector .red style? (a) <li class="red"> (b) <li class="box"> (c) <li id="red"> (d) <div class="star">
20. 20.🎯 Which element does the selector .menu style? (a) <div class="big"> (b) <li id="menu"> (c) <li class="note"> (d) <li class="menu">
21. 21.🎯 Which element does the selector .big style? (a) <li class="red"> (b) <div class="box"> (c) <li id="big"> (d) <li class="big">
22. 22.🎯 What kind of selector is .big? (a) a class selector (b) an id selector (c) an element selector
23. 23.🎯 Which CSS selector matches this element?
    <li class="box" id="end">Hello</li> (a) #box (b) .star (c) div (d) .box
24. 24.🎯 Which CSS selector matches this element?
    <h1 class="red" id="main">Hello</h1> (a) .main (b) h2 (c) #main (d) #logo
25. 25.🎯 Which CSS selector matches this element?
    <p class="note" id="intro">Hello</p> (a) .big (b) h1 (c) .note (d) .intro
26. 26.True or false: #main is an id selector. (a) True (b) False
27. 27.True or false: #hero is an id selector. (a) True (b) False
28. 28.True or false: #logo is an id selector. (a) False (b) True
29. 29.🎯 What kind of selector is p? (a) an id selector (b) an element selector (c) a class selector
30. 30.🎯 Which CSS selector matches this element?
    <p class="big" id="logo">Hello</p> (a) #logo (b) .red (c) #big (d) h1
31. 31.🎯 What kind of selector is .note? (a) a class selector (b) an element selector (c) an id selector
32. 32.🎯 Which CSS selector matches this element?
    <span class="box" id="intro">Hello</span> (a) .intro (b) #box (c) #main (d) span
33. 33.🎯 Which CSS selector matches this element?
    <p class="red" id="intro">Hello</p> (a) #red (b) #intro (c) h1 (d) .intro
34. 34.🎯 Which CSS selector matches this element?
    <span class="box" id="logo">Hello</span> (a) #logo (b) #end (c) .star (d) .logo
35. 35.🎯 Which CSS selector matches this element?
    <h1 class="big" id="intro">Hello</h1> (a) .big (b) #big (c) #main (d) .red
36. 36.🎯 Which CSS selector matches this element?
    <li class="big" id="main">Hello</li> (a) .main (b) .red (c) #big (d) .big
37. 37.🎯 Which element does the selector #intro style? (a) <li id="intro"> (b) <li class="intro"> (c) <li id="main"> (d) <div class="box">
38. 38.🎯 What kind of selector is img? (a) a class selector (b) an id selector (c) an element selector
39. 39.🎯 What kind of selector is #main? (a) an element selector (b) an id selector (c) a class selector
40. 40.🎯 Which CSS selector matches this element?
    <div class="note" id="intro">Hello</div> (a) #note (b) #main (c) .big (d) .note

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