CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 678 · 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 #logo style? (a) <p class="logo"> (b) <p id="end"> (c) <h1 class="note"> (d) <p id="logo">
2. 2.🎯 What kind of selector is .note? (a) an element selector (b) an id selector (c) a class selector
3. 3.True or false: #hero is an id selector. (a) True (b) False
4. 4.True or false: #logo is a class selector. (a) False (b) True
5. 5.🎯 Which element does the selector li style? (a) <div> (b) <p id="intro"> (c) <li class="star"> (d) <span class="star">
6. 6.🎯 Which sign starts a class selector? (a) . (b) & (c) # (d) @
7. 7.🎯 Which CSS selector matches this element?
   <div class="box" id="logo">Hello</div> (a) .logo (b) #end (c) .star (d) div
8. 8.🎯 What kind of selector is h1? (a) an element selector (b) an id selector (c) a class selector
9. 9.🎯 Which sign starts an id selector? (a) . (b) @ (c) # (d) &
10. 10.True or false: h1 is an id selector. (a) True (b) False
11. 11.True or false: li is an element selector. (a) True (b) False
12. 12.🎯 Which CSS selector matches this element?
    <li class="big" id="main">Hello</li> (a) div (b) .red (c) .big (d) #logo
13. 13.🎯 Which element does the selector #top style? (a) <h2 class="menu"> (b) <h1 class="top"> (c) <h1 id="top"> (d) <h1 id="intro">
14. 14.🎯 Which element does the selector h1 style? (a) <li class="menu"> (b) <h2> (c) <div id="top"> (d) <h1 class="menu">
15. 15.True or false: .menu is an element selector. (a) False (b) True
16. 16.🎯 Which CSS selector matches this element?
    <span class="menu" id="hero">Hello</span> (a) .note (b) #menu (c) #top (d) #hero
17. 17.🎯 Which CSS selector matches this element?
    <p class="menu" id="hero">Hello</p> (a) .note (b) #menu (c) .hero (d) #hero
18. 18.🎯 Which CSS selector matches this element?
    <li class="big" id="top">Hello</li> (a) .top (b) div (c) #big (d) li
19. 19.🎯 Which element does the selector div style? (a) <span> (b) <p class="menu"> (c) <div class="menu"> (d) <h1 id="hero">
20. 20.🎯 How many elements on a page should have the same id? (a) 1 (b) 2 (c) 5 (d) any number
21. 21.🎯 What kind of selector is .menu? (a) an element selector (b) a class selector (c) an id selector
22. 22.True or false: #hero is a class selector. (a) True (b) False
23. 23.🎯 Which element does the selector li style? (a) <div> (b) <span class="note"> (c) <li class="note"> (d) <p id="hero">
24. 24.🎯 What kind of selector is img? (a) an id selector (b) an element selector (c) a class selector
25. 25.True or false: h1 is a class selector. (a) True (b) False
26. 26.🎯 Which element does the selector p style? (a) <h1> (b) <li id="main"> (c) <p class="star"> (d) <h2 class="star">
27. 27.🎯 Which CSS selector matches this element?
    <span class="red" id="hero">Hello</span> (a) p (b) .hero (c) #top (d) #hero
28. 28.🎯 Which CSS selector matches this element?
    <span class="big" id="top">Hello</span> (a) .big (b) #big (c) .top (d) #intro
29. 29.🎯 Which element does the selector .menu style? (a) <h2 class="big"> (b) <h1 class="note"> (c) <h1 class="menu"> (d) <h1 id="menu">
30. 30.🎯 Which element does the selector .note style? (a) <li id="note"> (b) <div class="red"> (c) <li class="big"> (d) <li class="note">
31. 31.🎯 Which CSS selector matches this element?
    <p class="big" id="logo">Hello</p> (a) h1 (b) .logo (c) .red (d) #logo
32. 32.🎯 What kind of selector is #top? (a) an element selector (b) a class selector (c) an id selector
33. 33.🎯 Which CSS selector matches this element?
    <span class="box" id="intro">Hello</span> (a) .box (b) p (c) .intro (d) #box
34. 34.🎯 Which element does the selector #main style? (a) <span id="main"> (b) <p class="star"> (c) <span id="logo"> (d) <span class="main">
35. 35.🎯 Which element does the selector h2 style? (a) <div class="red"> (b) <li> (c) <span id="main"> (d) <h2 class="red">
36. 36.🎯 Which CSS selector matches this element?
    <li class="red" id="top">Hello</li> (a) #top (b) .box (c) #intro (d) .top
37. 37.🎯 Which element does the selector #end style? (a) <p id="hero"> (b) <p class="end"> (c) <h1 class="box"> (d) <p id="end">
38. 38.🎯 Which CSS selector matches this element?
    <li class="red" id="logo">Hello</li> (a) .logo (b) #red (c) #end (d) li
39. 39.🎯 Which CSS selector matches this element?
    <span class="big" id="main">Hello</span> (a) p (b) .main (c) #logo (d) #main
40. 40.🎯 Which element does the selector .star style? (a) <span class="star"> (b) <span class="menu"> (c) <p class="note"> (d) <span id="star">

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