CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 545 · 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 element does the selector #end style? (a) <span id="hero"> (b) <span class="end"> (c) <p class="menu"> (d) <span id="end">
2. 2.🎯 Which CSS selector matches this element?
   <div class="red" id="main">Hello</div> (a) #main (b) .box (c) .main (d) span
3. 3.🎯 Which element does the selector h1 style? (a) <h1 class="red"> (b) <div id="intro"> (c) <li class="red"> (d) <h2>
4. 4.True or false: li is an id selector. (a) False (b) True
5. 5.🎯 Which CSS selector matches this element?
   <div class="star" id="top">Hello</div> (a) #star (b) .star (c) span (d) #intro
6. 6.🎯 What kind of selector is .menu? (a) a class selector (b) an element selector (c) an id selector
7. 7.🎯 Which CSS selector matches this element?
   <li class="note" id="intro">Hello</li> (a) div (b) .big (c) #main (d) li
8. 8.🎯 Which sign starts a class selector? (a) # (b) . (c) @ (d) &
9. 9.🎯 Which CSS selector matches this element?
   <p class="red" id="intro">Hello</p> (a) .intro (b) #intro (c) h1 (d) #main
10. 10.🎯 Which element does the selector .red style? (a) <li class="box"> (b) <div class="star"> (c) <li class="red"> (d) <li id="red">
11. 11.🎯 Which CSS selector matches this element?
    <h2 class="star" id="main">Hello</h2> (a) #logo (b) #star (c) .menu (d) .star
12. 12.🎯 What kind of selector is .card? (a) a class selector (b) an element selector (c) an id selector
13. 13.🎯 Which sign starts an id selector? (a) @ (b) # (c) & (d) .
14. 14.🎯 What kind of selector is #hero? (a) an element selector (b) a class selector (c) an id selector
15. 15.🎯 Which element does the selector .menu style? (a) <h2 class="note"> (b) <li class="big"> (c) <h2 id="menu"> (d) <h2 class="menu">
16. 16.🎯 Which CSS selector matches this element?
    <div class="menu" id="hero">Hello</div> (a) #menu (b) .note (c) .hero (d) #hero
17. 17.🎯 Which element does the selector #top style? (a) <p id="intro"> (b) <p id="top"> (c) <p class="top"> (d) <h1 class="red">
18. 18.🎯 Which CSS selector matches this element?
    <div class="menu" id="top">Hello</div> (a) .top (b) #intro (c) .menu (d) span
19. 19.True or false: .note is an element selector. (a) True (b) False
20. 20.🎯 What kind of selector is p? (a) a class selector (b) an element selector (c) an id selector
21. 21.True or false: #main is an id selector. (a) False (b) True
22. 22.🎯 Which element does the selector div style? (a) <h1 id="hero"> (b) <p class="box"> (c) <span> (d) <div class="box">
23. 23.True or false: img is a class selector. (a) False (b) True
24. 24.🎯 What kind of selector is #top? (a) an element selector (b) an id selector (c) a class selector
25. 25.🎯 Which CSS selector matches this element?
    <h1 class="big" id="hero">Hello</h1> (a) #big (b) h1 (c) #top (d) h2
26. 26.🎯 Which CSS selector matches this element?
    <h2 class="big" id="intro">Hello</h2> (a) li (b) #big (c) .intro (d) h2
27. 27.🎯 Which CSS selector matches this element?
    <div class="menu" id="main">Hello</div> (a) #menu (b) .menu (c) .note (d) .main
28. 28.🎯 Which element does the selector h2 style? (a) <li> (b) <h2 class="star"> (c) <div class="star"> (d) <span id="end">
29. 29.🎯 Which CSS selector matches this element?
    <h1 class="box" id="main">Hello</h1> (a) #main (b) #box (c) .main (d) #logo
30. 30.🎯 Which CSS selector matches this element?
    <div class="star" id="hero">Hello</div> (a) #top (b) .menu (c) div (d) #star
31. 31.🎯 Which CSS selector matches this element?
    <li class="red" id="logo">Hello</li> (a) #red (b) div (c) #logo (d) #end
32. 32.True or false: .card is an element selector. (a) True (b) False
33. 33.🎯 Which element does the selector p style? (a) <li id="logo"> (b) <p class="red"> (c) <h2 class="red"> (d) <h1>
34. 34.🎯 Which CSS selector matches this element?
    <p class="red" id="top">Hello</p> (a) .box (b) #red (c) .top (d) p
35. 35.True or false: .big is an id selector. (a) True (b) False
36. 36.🎯 What kind of selector is .star? (a) an element selector (b) a class selector (c) an id selector
37. 37.🎯 What kind of selector is #end? (a) an element selector (b) a class selector (c) an id selector
38. 38.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="hero">Hello</h2> (a) .hero (b) #menu (c) .note (d) .menu
39. 39.🎯 Which element does the selector h2 style? (a) <div class="note"> (b) <h2 class="note"> (c) <li> (d) <span id="intro">
40. 40.🎯 What kind of selector is img? (a) an element selector (b) an id selector (c) a class selector

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