CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 698 · 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 sign starts a class selector? (a) & (b) . (c) # (d) @
2. 2.🎯 Which element does the selector #logo style? (a) <div id="logo"> (b) <span class="red"> (c) <div class="logo"> (d) <div id="end">
3. 3.🎯 Which element does the selector h1 style? (a) <div id="end"> (b) <li class="star"> (c) <h1 class="star"> (d) <h2>
4. 4.🎯 What kind of selector is .big? (a) an id selector (b) an element selector (c) a class selector
5. 5.🎯 Which CSS selector matches this element?
   <p class="big" id="end">Hello</p> (a) #big (b) .red (c) .end (d) #end
6. 6.🎯 Which CSS selector matches this element?
   <h2 class="menu" id="logo">Hello</h2> (a) li (b) #logo (c) .note (d) #end
7. 7.🎯 Which CSS selector matches this element?
   <h1 class="red" id="top">Hello</h1> (a) h2 (b) #intro (c) .red (d) .top
8. 8.True or false: .note is a class selector. (a) True (b) False
9. 9.🎯 Which sign starts an id selector? (a) & (b) @ (c) . (d) #
10. 10.True or false: #top is an id selector. (a) True (b) False
11. 11.🎯 Which element does the selector span style? (a) <h1 class="star"> (b) <span class="star"> (c) <p> (d) <h2 id="main">
12. 12.🎯 Which CSS selector matches this element?
    <li class="note" id="hero">Hello</li> (a) li (b) .big (c) .hero (d) #note
13. 13.True or false: .card is an id selector. (a) True (b) False
14. 14.🎯 Which element does the selector div style? (a) <p class="big"> (b) <h1 id="main"> (c) <span> (d) <div class="big">
15. 15.True or false: .big is a class selector. (a) True (b) False
16. 16.True or false: #hero is an id selector. (a) True (b) False
17. 17.True or false: body is an element selector. (a) True (b) False
18. 18.🎯 Can many elements share the same class? (a) No (b) Yes
19. 19.🎯 What kind of selector is .card? (a) an element selector (b) an id selector (c) a class selector
20. 20.🎯 Which CSS selector matches this element?
    <li class="big" id="logo">Hello</li> (a) .logo (b) #big (c) li (d) #end
21. 21.🎯 Which CSS selector matches this element?
    <h1 class="big" id="hero">Hello</h1> (a) h2 (b) .hero (c) .big (d) .red
22. 22.🎯 Which element does the selector h1 style? (a) <li class="box"> (b) <div id="logo"> (c) <h2> (d) <h1 class="box">
23. 23.🎯 Which element does the selector li style? (a) <div> (b) <li class="star"> (c) <p id="hero"> (d) <span class="star">
24. 24.🎯 Which element does the selector #end style? (a) <p id="end"> (b) <h1 class="menu"> (c) <p class="end"> (d) <p id="hero">
25. 25.🎯 Which CSS selector matches this element?
    <p class="menu" id="main">Hello</p> (a) #logo (b) #menu (c) #main (d) .main
26. 26.🎯 What kind of selector is #hero? (a) an element selector (b) a class selector (c) an id selector
27. 27.🎯 Which CSS selector matches this element?
    <h1 class="note" id="main">Hello</h1> (a) #note (b) #logo (c) h2 (d) h1
28. 28.🎯 What kind of selector is #top? (a) an element selector (b) an id selector (c) a class selector
29. 29.🎯 Which CSS selector matches this element?
    <div class="star" id="top">Hello</div> (a) span (b) .star (c) #intro (d) .top
30. 30.🎯 Which element does the selector #intro style? (a) <h2 class="big"> (b) <h1 id="main"> (c) <h1 id="intro"> (d) <h1 class="intro">
31. 31.🎯 Which CSS selector matches this element?
    <div class="box" id="logo">Hello</div> (a) span (b) .logo (c) #box (d) div
32. 32.🎯 How many elements on a page should have the same id? (a) 5 (b) 1 (c) 2 (d) any number
33. 33.True or false: .note is an element selector. (a) True (b) False
34. 34.🎯 Which element does the selector .menu style? (a) <li class="note"> (b) <li class="menu"> (c) <div class="big"> (d) <li id="menu">
35. 35.🎯 What kind of selector is .note? (a) a class selector (b) an element selector (c) an id selector
36. 36.🎯 Which element does the selector div style? (a) <h1 id="end"> (b) <span> (c) <p class="note"> (d) <div class="note">
37. 37.🎯 Which CSS selector matches this element?
    <div class="menu" id="top">Hello</div> (a) .top (b) .note (c) #menu (d) #top
38. 38.🎯 Which CSS selector matches this element?
    <p class="star" id="intro">Hello</p> (a) .menu (b) h1 (c) p (d) .intro
39. 39.🎯 What kind of selector is .menu? (a) an element selector (b) a class selector (c) an id selector
40. 40.🎯 What kind of selector is li? (a) an element selector (b) an id selector (c) a class selector

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