CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 736 · 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 #top? (a) an id selector (b) a class selector (c) an element selector
2. 2.True or false: .star is an element selector. (a) True (b) False
3. 3.🎯 Which element does the selector #logo style? (a) <span id="end"> (b) <span id="logo"> (c) <p class="box"> (d) <span class="logo">
4. 4.🎯 Which element does the selector #main style? (a) <span id="logo"> (b) <span class="main"> (c) <p class="star"> (d) <span id="main">
5. 5.🎯 Which CSS selector matches this element?
   <h2 class="red" id="end">Hello</h2> (a) li (b) .red (c) .box (d) .end
6. 6.True or false: #end is an id selector. (a) True (b) False
7. 7.🎯 What kind of selector is .menu? (a) a class selector (b) an id selector (c) an element selector
8. 8.True or false: #main is an id selector. (a) False (b) True
9. 9.🎯 Which element does the selector #intro style? (a) <li class="star"> (b) <h2 id="intro"> (c) <h2 class="intro"> (d) <h2 id="main">
10. 10.🎯 Which sign starts an id selector? (a) & (b) # (c) . (d) @
11. 11.🎯 Which element does the selector #hero style? (a) <span id="top"> (b) <span id="hero"> (c) <p class="menu"> (d) <span class="hero">
12. 12.True or false: body is an element selector. (a) False (b) True
13. 13.True or false: .menu is a class selector. (a) False (b) True
14. 14.🎯 Which CSS selector matches this element?
    <div class="star" id="logo">Hello</div> (a) span (b) #end (c) #star (d) .star
15. 15.🎯 What kind of selector is .note? (a) an element selector (b) an id selector (c) a class selector
16. 16.🎯 Which CSS selector matches this element?
    <h2 class="star" id="logo">Hello</h2> (a) #end (b) .logo (c) #star (d) h2
17. 17.🎯 Which CSS selector matches this element?
    <li class="menu" id="end">Hello</li> (a) #menu (b) .end (c) .menu (d) #hero
18. 18.🎯 Which CSS selector matches this element?
    <h2 class="note" id="end">Hello</h2> (a) .big (b) h2 (c) #hero (d) #note
19. 19.🎯 Which CSS selector matches this element?
    <span class="big" id="end">Hello</span> (a) .red (b) #big (c) span (d) .end
20. 20.🎯 Which CSS selector matches this element?
    <li class="box" id="intro">Hello</li> (a) li (b) .star (c) .intro (d) #box
21. 21.🎯 Which element does the selector .red style? (a) <div class="red"> (b) <span class="star"> (c) <div id="red"> (d) <div class="box">
22. 22.🎯 Which element does the selector #top style? (a) <p id="top"> (b) <p id="intro"> (c) <p class="top"> (d) <h1 class="star">
23. 23.🎯 Which element does the selector div style? (a) <div class="note"> (b) <span> (c) <h1 id="hero"> (d) <p class="note">
24. 24.🎯 What kind of selector is #logo? (a) an element selector (b) a class selector (c) an id selector
25. 25.🎯 Which CSS selector matches this element?
    <h2 class="star" id="logo">Hello</h2> (a) #end (b) #star (c) .star (d) li
26. 26.🎯 Can many elements share the same class? (a) Yes (b) No
27. 27.🎯 Which CSS selector matches this element?
    <h2 class="red" id="end">Hello</h2> (a) .box (b) .end (c) #end (d) #hero
28. 28.🎯 What kind of selector is .star? (a) an element selector (b) a class selector (c) an id selector
29. 29.🎯 Which CSS selector matches this element?
    <p class="red" id="main">Hello</p> (a) h1 (b) p (c) #logo (d) .box
30. 30.🎯 Which element does the selector p style? (a) <li id="intro"> (b) <h2 class="big"> (c) <h1> (d) <p class="big">
31. 31.🎯 Which CSS selector matches this element?
    <span class="box" id="intro">Hello</span> (a) #box (b) span (c) .intro (d) p
32. 32.🎯 Which sign starts a class selector? (a) & (b) . (c) # (d) @
33. 33.🎯 Which element does the selector #hero style? (a) <li id="top"> (b) <li class="hero"> (c) <li id="hero"> (d) <div class="box">
34. 34.🎯 Which element does the selector span style? (a) <h2 id="end"> (b) <span class="note"> (c) <p> (d) <h1 class="note">
35. 35.True or false: img is an id selector. (a) False (b) True
36. 36.🎯 Which CSS selector matches this element?
    <span class="red" id="logo">Hello</span> (a) #end (b) .box (c) #red (d) #logo
37. 37.🎯 What kind of selector is #hero? (a) an element selector (b) an id selector (c) a class selector
38. 38.🎯 Which element does the selector h2 style? (a) <span id="hero"> (b) <li> (c) <div class="menu"> (d) <h2 class="menu">
39. 39.🎯 What kind of selector is .card? (a) an id selector (b) an element selector (c) a class selector
40. 40.True or false: p is a class selector. (a) False (b) True

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