CSS Worksheet: Selectors Class and Id
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.
NameDateTime takenScore ___ / 40
- 1.True or false: #end is a class selector. (a) False (b) True
- 2.🎯 Which element does the selector #logo style? (a) <p class="logo"> (b) <h1 class="menu"> (c) <p id="logo"> (d) <p id="end">
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3.🎯 Which CSS selector matches this element?
<span class="menu" id="intro">Hello</span> (a) p (b) #main (c) #menu (d) span - 4.True or false: .card is a class selector. (a) True (b) False
- 5.🎯 What kind of selector is .star? (a) an id selector (b) an element selector (c) a class selector
- 6.🎯 Which element does the selector .big style? (a) <li class="big"> (b) <li id="big"> (c) <li class="red"> (d) <div class="box">
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7.🎯 Which CSS selector matches this element?
<span class="box" id="hero">Hello</span> (a) .box (b) #top (c) .hero (d) p - 8.🎯 What kind of selector is #top? (a) a class selector (b) an element selector (c) an id selector
- 9.🎯 What kind of selector is .card? (a) an id selector (b) a class selector (c) an element selector
- 10.🎯 What kind of selector is #main? (a) an element selector (b) a class selector (c) an id selector
- 11.True or false: p is a class selector. (a) True (b) False
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12.🎯 Which CSS selector matches this element?
<h2 class="note" id="main">Hello</h2> (a) #logo (b) #note (c) .note (d) li - 13.🎯 Which element does the selector p style? (a) <h1> (b) <p class="note"> (c) <h2 class="note"> (d) <li id="intro">
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14.🎯 Which CSS selector matches this element?
<p class="red" id="hero">Hello</p> (a) #red (b) #hero (c) h1 (d) .hero -
15.🎯 Which CSS selector matches this element?
<span class="star" id="main">Hello</span> (a) .main (b) #star (c) .menu (d) .star - 16.🎯 What kind of selector is #end? (a) a class selector (b) an element selector (c) an id selector
- 17.🎯 Which element does the selector .box style? (a) <li class="menu"> (b) <h2 class="box"> (c) <h2 class="star"> (d) <h2 id="box">
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18.🎯 Which CSS selector matches this element?
<p class="note" id="hero">Hello</p> (a) .hero (b) h1 (c) #hero (d) #top -
19.🎯 Which CSS selector matches this element?
<span class="red" id="end">Hello</span> (a) .end (b) p (c) #red (d) span - 20.🎯 Which element does the selector h1 style? (a) <li class="box"> (b) <div id="top"> (c) <h2> (d) <h1 class="box">
- 21.🎯 What kind of selector is img? (a) an id selector (b) a class selector (c) an element selector
- 22.🎯 Can many elements share the same class? (a) Yes (b) No
- 23.True or false: .star is an id selector. (a) False (b) True
- 24.🎯 Which element does the selector .star style? (a) <div class="menu"> (b) <div id="star"> (c) <div class="star"> (d) <span class="note">
- 25.🎯 Which element does the selector h1 style? (a) <h1 class="red"> (b) <h2> (c) <div id="intro"> (d) <li class="red">
- 26.True or false: .menu is an element selector. (a) False (b) True
- 27.🎯 What kind of selector is p? (a) an id selector (b) a class selector (c) an element selector
- 28.🎯 What kind of selector is #logo? (a) an element selector (b) an id selector (c) a class selector
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29.🎯 Which CSS selector matches this element?
<h2 class="red" id="top">Hello</h2> (a) #intro (b) #top (c) .box (d) #red - 30.🎯 Which element does the selector #end style? (a) <div class="note"> (b) <li id="hero"> (c) <li id="end"> (d) <li class="end">
- 31.True or false: .note is an element selector. (a) True (b) False
- 32.🎯 Which element does the selector h2 style? (a) <span id="hero"> (b) <h2 class="note"> (c) <li> (d) <div class="note">
- 33.True or false: .big is an id selector. (a) False (b) True
- 34.True or false: .big is a class selector. (a) True (b) False
- 35.🎯 What kind of selector is .menu? (a) an element selector (b) a class selector (c) an id selector
- 36.True or false: li is an id selector. (a) True (b) False
- 37.🎯 Which element does the selector li style? (a) <li class="menu"> (b) <div> (c) <span class="menu"> (d) <p id="end">
- 38.🎯 Which element does the selector #end style? (a) <h1 id="end"> (b) <h1 class="end"> (c) <h2 class="star"> (d) <h1 id="hero">
- 39.🎯 Which element does the selector .red style? (a) <div class="star"> (b) <li class="box"> (c) <li id="red"> (d) <li class="red">
- 40.True or false: p is an id selector. (a) True (b) False
Answer key
- False
- <p id="logo">
- span
- True
- a class selector
- <li class="big">
- .box
- an id selector
- a class selector
- an id selector
- False
- .note
- <p class="note">
- #hero
- .star
- an id selector
- <h2 class="box">
- #hero
- span
- <h1 class="box">
- an element selector
- Yes
- False
- <div class="star">
- <h1 class="red">
- False
- an element selector
- an id selector
- #top
- <li id="end">
- False
- <h2 class="note">
- False
- True
- a class selector
- False
- <li class="menu">
- <h1 id="end">
- <li class="red">
- False
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