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