CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 555 · 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 li style? (a) <li class="star"> (b) <p id="logo"> (c) <span class="star"> (d) <div>
2. 2.🎯 Which CSS selector matches this element?
   <p class="red" id="main">Hello</p> (a) .main (b) #logo (c) h1 (d) #main
3. 3.🎯 Which CSS selector matches this element?
   <div class="red" id="main">Hello</div> (a) .red (b) .box (c) span (d) #logo
4. 4.🎯 Which CSS selector matches this element?
   <p class="star" id="end">Hello</p> (a) #star (b) h1 (c) .menu (d) #end
5. 5.🎯 What kind of selector is body? (a) a class selector (b) an element selector (c) an id selector
6. 6.🎯 Which element does the selector .note style? (a) <p id="note"> (b) <h1 class="red"> (c) <p class="big"> (d) <p class="note">
7. 7.True or false: .big is an element selector. (a) False (b) True
8. 8.🎯 Which element does the selector #hero style? (a) <h1 id="top"> (b) <h2 class="star"> (c) <h1 id="hero"> (d) <h1 class="hero">
9. 9.🎯 What kind of selector is #logo? (a) a class selector (b) an element selector (c) an id selector
10. 10.True or false: #hero is an id selector. (a) False (b) True
11. 11.🎯 Which sign starts a class selector? (a) & (b) # (c) . (d) @
12. 12.True or false: img is a class selector. (a) True (b) False
13. 13.🎯 Which element does the selector .star style? (a) <span id="star"> (b) <span class="star"> (c) <span class="menu"> (d) <p class="note">
14. 14.True or false: .note is a class selector. (a) False (b) True
15. 15.🎯 Which sign starts an id selector? (a) . (b) & (c) # (d) @
16. 16.🎯 What kind of selector is .card? (a) an element selector (b) an id selector (c) a class selector
17. 17.🎯 Which CSS selector matches this element?
    <p class="star" id="intro">Hello</p> (a) h1 (b) .intro (c) .menu (d) .star
18. 18.🎯 What kind of selector is #hero? (a) a class selector (b) an id selector (c) an element selector
19. 19.🎯 Which CSS selector matches this element?
    <div class="menu" id="logo">Hello</div> (a) span (b) div (c) #menu (d) #end
20. 20.True or false: h1 is an id selector. (a) False (b) True
21. 21.🎯 Which element does the selector p style? (a) <li id="end"> (b) <h1> (c) <p class="menu"> (d) <h2 class="menu">
22. 22.🎯 Which element does the selector #top style? (a) <span id="top"> (b) <span id="intro"> (c) <p class="menu"> (d) <span class="top">
23. 23.🎯 How many elements on a page should have the same id? (a) any number (b) 5 (c) 1 (d) 2
24. 24.True or false: p is a class selector. (a) False (b) True
25. 25.🎯 Which element does the selector li style? (a) <p id="end"> (b) <div> (c) <span class="red"> (d) <li class="red">
26. 26.🎯 Which CSS selector matches this element?
    <div class="star" id="intro">Hello</div> (a) .intro (b) #star (c) #main (d) div
27. 27.🎯 Can many elements share the same class? (a) No (b) Yes
28. 28.🎯 What kind of selector is #main? (a) an id selector (b) a class selector (c) an element selector
29. 29.🎯 Which CSS selector matches this element?
    <p class="menu" id="logo">Hello</p> (a) .logo (b) #end (c) .menu (d) h1
30. 30.🎯 Which CSS selector matches this element?
    <h2 class="red" id="main">Hello</h2> (a) h2 (b) .box (c) li (d) .main
31. 31.True or false: li is an element selector. (a) False (b) True
32. 32.🎯 Which element does the selector h1 style? (a) <li class="star"> (b) <h1 class="star"> (c) <div id="intro"> (d) <h2>
33. 33.🎯 Which CSS selector matches this element?
    <span class="red" id="top">Hello</span> (a) #intro (b) #red (c) .top (d) #top
34. 34.True or false: .menu is a class selector. (a) True (b) False
35. 35.🎯 Which CSS selector matches this element?
    <span class="big" id="logo">Hello</span> (a) p (b) #end (c) .big (d) .logo
36. 36.🎯 Which element does the selector span style? (a) <h2 id="logo"> (b) <h1 class="star"> (c) <p> (d) <span class="star">
37. 37.🎯 Which CSS selector matches this element?
    <div class="red" id="logo">Hello</div> (a) .red (b) span (c) #red (d) .box
38. 38.🎯 Which CSS selector matches this element?
    <h1 class="note" id="hero">Hello</h1> (a) .note (b) .hero (c) #note (d) h2
39. 39.🎯 What kind of selector is .note? (a) an id selector (b) a class selector (c) an element selector
40. 40.🎯 Which element does the selector h1 style? (a) <h1 class="note"> (b) <li class="note"> (c) <div id="logo"> (d) <h2>

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