CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 828 · 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 CSS selector matches this element?
   <p class="note" id="logo">Hello</p> (a) #logo (b) #end (c) h1 (d) .big
2. 2.🎯 Can many elements share the same class? (a) No (b) Yes
3. 3.True or false: .note is a class selector. (a) True (b) False
4. 4.🎯 Which element does the selector h1 style? (a) <div id="end"> (b) <h2> (c) <h1 class="star"> (d) <li class="star">
5. 5.True or false: #logo is an id selector. (a) False (b) True
6. 6.🎯 Which element does the selector .note style? (a) <h2 class="red"> (b) <h1 id="note"> (c) <h1 class="note"> (d) <h1 class="big">
7. 7.🎯 Which CSS selector matches this element?
   <h2 class="star" id="main">Hello</h2> (a) .menu (b) .main (c) #star (d) h2
8. 8.True or false: .big is a class selector. (a) True (b) False
9. 9.🎯 Which sign starts a class selector? (a) @ (b) & (c) # (d) .
10. 10.🎯 What kind of selector is #hero? (a) an element selector (b) an id selector (c) a class selector
11. 11.🎯 What kind of selector is #end? (a) an element selector (b) a class selector (c) an id selector
12. 12.🎯 Which CSS selector matches this element?
    <p class="red" id="main">Hello</p> (a) #red (b) #logo (c) h1 (d) #main
13. 13.🎯 Which CSS selector matches this element?
    <h2 class="note" id="top">Hello</h2> (a) #intro (b) .note (c) #note (d) .top
14. 14.🎯 What kind of selector is body? (a) an id selector (b) an element selector (c) a class selector
15. 15.🎯 Which CSS selector matches this element?
    <li class="big" id="logo">Hello</li> (a) div (b) #end (c) li (d) .logo
16. 16.🎯 Which CSS selector matches this element?
    <div class="red" id="top">Hello</div> (a) .top (b) #top (c) span (d) .box
17. 17.🎯 Which element does the selector .big style? (a) <span class="big"> (b) <p class="box"> (c) <span id="big"> (d) <span class="red">
18. 18.🎯 What kind of selector is .note? (a) a class selector (b) an element selector (c) an id selector
19. 19.🎯 Which CSS selector matches this element?
    <h2 class="note" id="end">Hello</h2> (a) li (b) .end (c) .note (d) #hero
20. 20.🎯 Which CSS selector matches this element?
    <span class="note" id="top">Hello</span> (a) .top (b) span (c) p (d) #intro
21. 21.True or false: li is an element selector. (a) False (b) True
22. 22.🎯 Which CSS selector matches this element?
    <span class="red" id="logo">Hello</span> (a) #end (b) .red (c) .logo (d) p
23. 23.🎯 Which CSS selector matches this element?
    <h1 class="menu" id="top">Hello</h1> (a) .top (b) #intro (c) .note (d) h1
24. 24.🎯 Which element does the selector #end style? (a) <span id="hero"> (b) <span class="end"> (c) <p class="box"> (d) <span id="end">
25. 25.🎯 How many elements on a page should have the same id? (a) any number (b) 5 (c) 2 (d) 1
26. 26.🎯 What kind of selector is .card? (a) an id selector (b) a class selector (c) an element selector
27. 27.🎯 What kind of selector is #logo? (a) a class selector (b) an element selector (c) an id selector
28. 28.🎯 Which CSS selector matches this element?
    <h2 class="box" id="end">Hello</h2> (a) #hero (b) .star (c) li (d) .box
29. 29.🎯 Which CSS selector matches this element?
    <h1 class="note" id="logo">Hello</h1> (a) .logo (b) .note (c) h2 (d) .big
30. 30.🎯 Which element does the selector .menu style? (a) <h2 class="note"> (b) <h2 id="menu"> (c) <li class="big"> (d) <h2 class="menu">
31. 31.🎯 What kind of selector is h1? (a) a class selector (b) an id selector (c) an element selector
32. 32.🎯 Which element does the selector #end style? (a) <p class="end"> (b) <h1 class="big"> (c) <p id="end"> (d) <p id="hero">
33. 33.True or false: img is an id selector. (a) True (b) False
34. 34.🎯 Which element does the selector .star style? (a) <span id="star"> (b) <p class="note"> (c) <span class="star"> (d) <span class="menu">
35. 35.🎯 What kind of selector is .big? (a) an element selector (b) an id selector (c) a class selector
36. 36.🎯 Which CSS selector matches this element?
    <p class="box" id="top">Hello</p> (a) h1 (b) .box (c) #box (d) .star
37. 37.🎯 Which CSS selector matches this element?
    <span class="star" id="intro">Hello</span> (a) span (b) .menu (c) p (d) .intro
38. 38.True or false: #top is an id selector. (a) False (b) True
39. 39.🎯 Which element does the selector #logo style? (a) <h2 class="note"> (b) <h1 id="end"> (c) <h1 id="logo"> (d) <h1 class="logo">
40. 40.True or false: #end is a class selector. (a) True (b) False

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