CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 623 · 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.True or false: .card is a class selector. (a) True (b) False
2. 2.🎯 Which element does the selector p style? (a) <li id="logo"> (b) <h1> (c) <p class="big"> (d) <h2 class="big">
3. 3.🎯 Which CSS selector matches this element?
   <p class="star" id="logo">Hello</p> (a) .menu (b) h1 (c) .logo (d) .star
4. 4.🎯 Which CSS selector matches this element?
   <p class="star" id="intro">Hello</p> (a) .intro (b) #star (c) .star (d) .menu
5. 5.True or false: .note is an id selector. (a) False (b) True
6. 6.🎯 Which sign starts an id selector? (a) & (b) @ (c) # (d) .
7. 7.True or false: .big is an id selector. (a) True (b) False
8. 8.True or false: #top is an element selector. (a) True (b) False
9. 9.🎯 Which element does the selector span style? (a) <h1 class="menu"> (b) <p> (c) <span class="menu"> (d) <h2 id="top">
10. 10.🎯 Which CSS selector matches this element?
    <div class="note" id="main">Hello</div> (a) .big (b) #main (c) span (d) #logo
11. 11.🎯 Which element does the selector .red style? (a) <div id="red"> (b) <div class="red"> (c) <span class="star"> (d) <div class="box">
12. 12.🎯 What kind of selector is .star? (a) an id selector (b) a class selector (c) an element selector
13. 13.🎯 Which sign starts a class selector? (a) & (b) @ (c) # (d) .
14. 14.🎯 Which CSS selector matches this element?
    <li class="box" id="logo">Hello</li> (a) .logo (b) li (c) #end (d) .star
15. 15.🎯 Which element does the selector .note style? (a) <p id="note"> (b) <p class="big"> (c) <p class="note"> (d) <h1 class="red">
16. 16.🎯 Which CSS selector matches this element?
    <p class="box" id="top">Hello</p> (a) .star (b) p (c) .top (d) h1
17. 17.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="intro">Hello</h2> (a) #menu (b) #intro (c) .note (d) #main
18. 18.🎯 Which element does the selector #hero style? (a) <span id="hero"> (b) <span class="hero"> (c) <span id="top"> (d) <p class="menu">
19. 19.🎯 Which element does the selector .box style? (a) <h1 id="box"> (b) <h1 class="star"> (c) <h1 class="box"> (d) <h2 class="menu">
20. 20.True or false: .big is a class selector. (a) True (b) False
21. 21.True or false: .menu is an element selector. (a) True (b) False
22. 22.🎯 Which CSS selector matches this element?
    <h1 class="big" id="end">Hello</h1> (a) #big (b) .red (c) #hero (d) #end
23. 23.🎯 Which CSS selector matches this element?
    <div class="red" id="intro">Hello</div> (a) .box (b) #red (c) #main (d) div
24. 24.True or false: .star is an element selector. (a) True (b) False
25. 25.🎯 What kind of selector is #logo? (a) an id selector (b) a class selector (c) an element selector
26. 26.🎯 Which CSS selector matches this element?
    <span class="note" id="intro">Hello</span> (a) #note (b) .big (c) .intro (d) .note
27. 27.🎯 Which element does the selector h1 style? (a) <h2> (b) <div id="hero"> (c) <li class="red"> (d) <h1 class="red">
28. 28.True or false: h1 is an id selector. (a) True (b) False
29. 29.🎯 Which CSS selector matches this element?
    <h1 class="box" id="logo">Hello</h1> (a) h2 (b) #end (c) #box (d) #logo
30. 30.🎯 Which element does the selector #main style? (a) <h1 id="main"> (b) <h1 id="logo"> (c) <h2 class="box"> (d) <h1 class="main">
31. 31.True or false: #hero is a class selector. (a) False (b) True
32. 32.🎯 Which CSS selector matches this element?
    <div class="big" id="logo">Hello</div> (a) .logo (b) #big (c) .red (d) div
33. 33.🎯 How many elements on a page should have the same id? (a) any number (b) 1 (c) 2 (d) 5
34. 34.🎯 Which CSS selector matches this element?
    <span class="box" id="hero">Hello</span> (a) .hero (b) span (c) .star (d) #box
35. 35.True or false: #top is a class selector. (a) True (b) False
36. 36.🎯 What kind of selector is .note? (a) a class selector (b) an element selector (c) an id selector
37. 37.🎯 Which element does the selector .menu style? (a) <div class="menu"> (b) <div id="menu"> (c) <span class="big"> (d) <div class="note">
38. 38.🎯 Which element does the selector h1 style? (a) <h1 class="box"> (b) <h2> (c) <div id="hero"> (d) <li class="box">
39. 39.🎯 Which element does the selector #top style? (a) <h2 class="red"> (b) <h1 id="top"> (c) <h1 class="top"> (d) <h1 id="intro">
40. 40.🎯 Which CSS selector matches this element?
    <h2 class="big" id="end">Hello</h2> (a) #hero (b) li (c) .big (d) #big

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