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