CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 232 · 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 #top style? (a) <h1 class="menu"> (b) <p id="top"> (c) <p id="intro"> (d) <p class="top">
2. 2.🎯 What kind of selector is .big? (a) a class selector (b) an element selector (c) an id selector
3. 3.🎯 Which sign starts a class selector? (a) # (b) . (c) & (d) @
4. 4.🎯 What kind of selector is #hero? (a) a class selector (b) an element selector (c) an id selector
5. 5.True or false: .note is a class selector. (a) True (b) False
6. 6.🎯 Which element does the selector #intro style? (a) <h2 id="main"> (b) <li class="big"> (c) <h2 class="intro"> (d) <h2 id="intro">
7. 7.🎯 What kind of selector is li? (a) an element selector (b) an id selector (c) a class selector
8. 8.🎯 What kind of selector is .card? (a) an id selector (b) an element selector (c) a class selector
9. 9.🎯 What kind of selector is #logo? (a) an id selector (b) an element selector (c) a class selector
10. 10.🎯 Which element does the selector .red style? (a) <div class="box"> (b) <span class="star"> (c) <div id="red"> (d) <div class="red">
11. 11.🎯 What kind of selector is .note? (a) an id selector (b) an element selector (c) a class selector
12. 12.🎯 Which element does the selector #intro style? (a) <div class="intro"> (b) <div id="intro"> (c) <span class="star"> (d) <div id="main">
13. 13.True or false: #logo is an id selector. (a) False (b) True
14. 14.🎯 Which CSS selector matches this element?
    <p class="note" id="top">Hello</p> (a) #note (b) p (c) .top (d) h1
15. 15.🎯 Which sign starts an id selector? (a) # (b) & (c) . (d) @
16. 16.True or false: li is an element selector. (a) True (b) False
17. 17.🎯 How many elements on a page should have the same id? (a) any number (b) 2 (c) 5 (d) 1
18. 18.True or false: #hero is an id selector. (a) False (b) True
19. 19.🎯 Which CSS selector matches this element?
    <p class="menu" id="main">Hello</p> (a) .note (b) h1 (c) .main (d) #main
20. 20.🎯 Which element does the selector li style? (a) <p id="logo"> (b) <li class="menu"> (c) <div> (d) <span class="menu">
21. 21.🎯 Which element does the selector div style? (a) <h1 id="end"> (b) <span> (c) <div class="big"> (d) <p class="big">
22. 22.🎯 What kind of selector is p? (a) an id selector (b) a class selector (c) an element selector
23. 23.🎯 Which element does the selector .note style? (a) <p id="note"> (b) <p class="note"> (c) <h1 class="red"> (d) <p class="big">
24. 24.🎯 What kind of selector is .star? (a) an id selector (b) a class selector (c) an element selector
25. 25.🎯 Which CSS selector matches this element?
    <h2 class="red" id="main">Hello</h2> (a) li (b) #logo (c) h2 (d) #red
26. 26.🎯 Which element does the selector span style? (a) <p> (b) <h2 id="end"> (c) <span class="big"> (d) <h1 class="big">
27. 27.🎯 Which element does the selector .big style? (a) <span class="box"> (b) <div class="red"> (c) <div class="big"> (d) <div id="big">
28. 28.True or false: .star is a class selector. (a) False (b) True
29. 29.🎯 Can many elements share the same class? (a) Yes (b) No
30. 30.🎯 Which CSS selector matches this element?
    <span class="box" id="main">Hello</span> (a) p (b) #box (c) span (d) #logo
31. 31.🎯 Which CSS selector matches this element?
    <h1 class="box" id="top">Hello</h1> (a) #box (b) h1 (c) .star (d) h2
32. 32.🎯 Which CSS selector matches this element?
    <span class="menu" id="logo">Hello</span> (a) #end (b) .note (c) span (d) .logo
33. 33.🎯 Which CSS selector matches this element?
    <span class="red" id="logo">Hello</span> (a) #logo (b) #red (c) .box (d) .logo
34. 34.🎯 Which element does the selector .big style? (a) <span id="big"> (b) <span class="red"> (c) <p class="box"> (d) <span class="big">
35. 35.🎯 Which CSS selector matches this element?
    <p class="red" id="main">Hello</p> (a) .main (b) .box (c) #red (d) .red
36. 36.True or false: h1 is a class selector. (a) True (b) False
37. 37.🎯 What kind of selector is #main? (a) an element selector (b) a class selector (c) an id selector
38. 38.🎯 Which CSS selector matches this element?
    <h1 class="note" id="top">Hello</h1> (a) #note (b) .big (c) .top (d) .note
39. 39.🎯 What kind of selector is #top? (a) an id selector (b) a class selector (c) an element selector
40. 40.🎯 Which element does the selector p style? (a) <h1> (b) <h2 class="star"> (c) <li id="main"> (d) <p class="star">

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