CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 850 · 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 CSS selector matches this element?
   <h2 class="big" id="intro">Hello</h2> (a) li (b) #intro (c) .intro (d) #main
2. 2.🎯 What kind of selector is h1? (a) a class selector (b) an id selector (c) an element selector
3. 3.🎯 Which CSS selector matches this element?
   <p class="star" id="logo">Hello</p> (a) #end (b) #star (c) p (d) .logo
4. 4.🎯 Which sign starts an id selector? (a) . (b) @ (c) & (d) #
5. 5.🎯 Which CSS selector matches this element?
   <li class="note" id="hero">Hello</li> (a) div (b) .big (c) .note (d) #note
6. 6.🎯 Which element does the selector h1 style? (a) <div id="hero"> (b) <li class="red"> (c) <h1 class="red"> (d) <h2>
7. 7.🎯 Which element does the selector p style? (a) <h2 class="box"> (b) <h1> (c) <p class="box"> (d) <li id="logo">
8. 8.True or false: img is a class selector. (a) False (b) True
9. 9.🎯 Which element does the selector #main style? (a) <p class="main"> (b) <p id="logo"> (c) <p id="main"> (d) <h1 class="note">
10. 10.🎯 Which sign starts a class selector? (a) & (b) # (c) @ (d) .
11. 11.🎯 Which element does the selector .star style? (a) <p class="note"> (b) <span class="menu"> (c) <span id="star"> (d) <span class="star">
12. 12.🎯 What kind of selector is img? (a) an id selector (b) a class selector (c) an element selector
13. 13.🎯 Which element does the selector .big style? (a) <li class="box"> (b) <h2 id="big"> (c) <h2 class="red"> (d) <h2 class="big">
14. 14.🎯 Which CSS selector matches this element?
    <h1 class="red" id="main">Hello</h1> (a) #red (b) .red (c) #logo (d) .box
15. 15.True or false: .note is an id selector. (a) False (b) True
16. 16.True or false: .card is a class selector. (a) False (b) True
17. 17.🎯 Which element does the selector h2 style? (a) <h2 class="red"> (b) <div class="red"> (c) <span id="end"> (d) <li>
18. 18.🎯 Which CSS selector matches this element?
    <span class="note" id="hero">Hello</span> (a) .hero (b) #top (c) .note (d) p
19. 19.True or false: .star is a class selector. (a) False (b) True
20. 20.🎯 Which CSS selector matches this element?
    <h2 class="star" id="top">Hello</h2> (a) li (b) #star (c) #intro (d) h2
21. 21.🎯 What kind of selector is #main? (a) a class selector (b) an element selector (c) an id selector
22. 22.🎯 Which element does the selector #end style? (a) <p class="end"> (b) <p id="hero"> (c) <h1 class="red"> (d) <p id="end">
23. 23.True or false: #hero is an id selector. (a) True (b) False
24. 24.🎯 What kind of selector is .card? (a) an id selector (b) a class selector (c) an element selector
25. 25.🎯 What kind of selector is p? (a) a class selector (b) an id selector (c) an element selector
26. 26.🎯 What kind of selector is .menu? (a) a class selector (b) an id selector (c) an element selector
27. 27.🎯 Which CSS selector matches this element?
    <li class="menu" id="intro">Hello</li> (a) .note (b) #main (c) .menu (d) div
28. 28.🎯 Which CSS selector matches this element?
    <span class="note" id="main">Hello</span> (a) p (b) .main (c) #logo (d) .note
29. 29.🎯 What kind of selector is #end? (a) a class selector (b) an element selector (c) an id selector
30. 30.🎯 What kind of selector is #hero? (a) an id selector (b) a class selector (c) an element selector
31. 31.🎯 Which CSS selector matches this element?
    <li class="box" id="hero">Hello</li> (a) li (b) .hero (c) div (d) #box
32. 32.True or false: h1 is an element selector. (a) True (b) False
33. 33.🎯 Which element does the selector .menu style? (a) <h1 id="menu"> (b) <h1 class="menu"> (c) <h2 class="big"> (d) <h1 class="note">
34. 34.True or false: #logo is an id selector. (a) False (b) True
35. 35.True or false: .card is an element selector. (a) True (b) False
36. 36.True or false: .big is an element selector. (a) True (b) False
37. 37.🎯 Which element does the selector .box style? (a) <div id="box"> (b) <div class="star"> (c) <div class="box"> (d) <span class="menu">
38. 38.🎯 Which CSS selector matches this element?
    <p class="note" id="end">Hello</p> (a) #note (b) .big (c) #end (d) .end
39. 39.🎯 What kind of selector is #top? (a) an element selector (b) a class selector (c) an id selector
40. 40.🎯 Which CSS selector matches this element?
    <div class="star" id="intro">Hello</div> (a) .intro (b) #star (c) span (d) div

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