CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 950 · 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.🎯 What kind of selector is .card? (a) an element selector (b) a class selector (c) an id selector
2. 2.🎯 What kind of selector is .star? (a) an id selector (b) an element selector (c) a class selector
3. 3.🎯 Which element does the selector #logo style? (a) <h2 id="end"> (b) <li class="red"> (c) <h2 id="logo"> (d) <h2 class="logo">
4. 4.🎯 What kind of selector is p? (a) an element selector (b) an id selector (c) a class selector
5. 5.🎯 What kind of selector is #end? (a) an id selector (b) a class selector (c) an element selector
6. 6.True or false: .big is an id selector. (a) True (b) False
7. 7.True or false: .big is a class selector. (a) False (b) True
8. 8.🎯 Which sign starts an id selector? (a) @ (b) . (c) & (d) #
9. 9.🎯 Which element does the selector .star style? (a) <p id="star"> (b) <p class="menu"> (c) <p class="star"> (d) <h1 class="note">
10. 10.🎯 Which CSS selector matches this element?
    <p class="menu" id="intro">Hello</p> (a) #menu (b) .menu (c) h1 (d) .intro
11. 11.🎯 Which element does the selector .menu style? (a) <h1 class="menu"> (b) <h1 id="menu"> (c) <h2 class="big"> (d) <h1 class="note">
12. 12.🎯 What kind of selector is h1? (a) an id selector (b) an element selector (c) a class selector
13. 13.True or false: .card is an element selector. (a) False (b) True
14. 14.True or false: #main is an id selector. (a) True (b) False
15. 15.True or false: h1 is a class selector. (a) False (b) True
16. 16.🎯 What kind of selector is li? (a) a class selector (b) an id selector (c) an element selector
17. 17.🎯 What kind of selector is #logo? (a) an element selector (b) a class selector (c) an id selector
18. 18.🎯 What kind of selector is #hero? (a) an element selector (b) a class selector (c) an id selector
19. 19.🎯 Which element does the selector div style? (a) <div class="note"> (b) <h1 id="main"> (c) <p class="note"> (d) <span>
20. 20.True or false: .menu is an element selector. (a) False (b) True
21. 21.🎯 Which CSS selector matches this element?
    <li class="star" id="intro">Hello</li> (a) .menu (b) #star (c) #main (d) li
22. 22.True or false: h1 is an element selector. (a) True (b) False
23. 23.🎯 What kind of selector is .note? (a) an element selector (b) an id selector (c) a class selector
24. 24.🎯 How many elements on a page should have the same id? (a) 1 (b) 2 (c) any number (d) 5
25. 25.🎯 Which element does the selector h2 style? (a) <span id="end"> (b) <div class="menu"> (c) <li> (d) <h2 class="menu">
26. 26.True or false: .star is a class selector. (a) False (b) True
27. 27.🎯 Which element does the selector h1 style? (a) <h1 class="menu"> (b) <h2> (c) <div id="intro"> (d) <li class="menu">
28. 28.🎯 Can many elements share the same class? (a) Yes (b) No
29. 29.🎯 What kind of selector is .menu? (a) an element selector (b) an id selector (c) a class selector
30. 30.🎯 Which CSS selector matches this element?
    <p class="note" id="logo">Hello</p> (a) p (b) .big (c) #end (d) h1
31. 31.True or false: img is an element selector. (a) True (b) False
32. 32.🎯 Which element does the selector .big style? (a) <div id="big"> (b) <div class="red"> (c) <div class="big"> (d) <span class="box">
33. 33.🎯 Which sign starts a class selector? (a) . (b) & (c) @ (d) #
34. 34.🎯 Which CSS selector matches this element?
    <span class="note" id="main">Hello</span> (a) p (b) #logo (c) #main (d) .main
35. 35.🎯 Which element does the selector #logo style? (a) <div class="box"> (b) <li class="logo"> (c) <li id="end"> (d) <li id="logo">
36. 36.🎯 Which CSS selector matches this element?
    <h1 class="big" id="end">Hello</h1> (a) .end (b) #big (c) #end (d) h2
37. 37.🎯 Which CSS selector matches this element?
    <span class="red" id="main">Hello</span> (a) .main (b) span (c) .box (d) p
38. 38.🎯 Which CSS selector matches this element?
    <h2 class="red" id="hero">Hello</h2> (a) li (b) h2 (c) #red (d) .hero
39. 39.🎯 Which element does the selector .big style? (a) <p class="big"> (b) <h1 class="box"> (c) <p class="red"> (d) <p id="big">
40. 40.🎯 Which element does the selector p style? (a) <h1> (b) <li id="top"> (c) <h2 class="box"> (d) <p class="box">

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