CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 602 · 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 h2 style? (a) <li> (b) <div class="big"> (c) <span id="top"> (d) <h2 class="big">
2. 2.🎯 Which element does the selector p style? (a) <li id="hero"> (b) <h2 class="big"> (c) <h1> (d) <p class="big">
3. 3.🎯 Which sign starts a class selector? (a) # (b) & (c) . (d) @
4. 4.🎯 What kind of selector is h1? (a) an element selector (b) a class selector (c) an id selector
5. 5.True or false: #hero is an element selector. (a) False (b) True
6. 6.True or false: .note is an id selector. (a) True (b) False
7. 7.🎯 Which element does the selector span style? (a) <p> (b) <h1 class="big"> (c) <h2 id="end"> (d) <span class="big">
8. 8.True or false: .menu is an id selector. (a) False (b) True
9. 9.🎯 Which CSS selector matches this element?
   <h2 class="menu" id="logo">Hello</h2> (a) #logo (b) li (c) #menu (d) #end
10. 10.🎯 Which element does the selector #end style? (a) <h2 class="end"> (b) <h2 id="end"> (c) <li class="box"> (d) <h2 id="hero">
11. 11.🎯 Which element does the selector #hero style? (a) <span class="hero"> (b) <span id="top"> (c) <p class="menu"> (d) <span id="hero">
12. 12.True or false: .card is an id selector. (a) False (b) True
13. 13.🎯 Which CSS selector matches this element?
    <div class="big" id="main">Hello</div> (a) #big (b) .red (c) .main (d) div
14. 14.🎯 Which CSS selector matches this element?
    <p class="box" id="intro">Hello</p> (a) h1 (b) #main (c) .box (d) .star
15. 15.True or false: .menu is a class selector. (a) False (b) True
16. 16.True or false: .big is a class selector. (a) False (b) True
17. 17.🎯 Which CSS selector matches this element?
    <div class="red" id="logo">Hello</div> (a) #red (b) .box (c) span (d) div
18. 18.🎯 Which sign starts an id selector? (a) @ (b) # (c) . (d) &
19. 19.🎯 Which CSS selector matches this element?
    <p class="box" id="intro">Hello</p> (a) .star (b) #main (c) p (d) #box
20. 20.🎯 How many elements on a page should have the same id? (a) 5 (b) 2 (c) 1 (d) any number
21. 21.🎯 Which element does the selector .box style? (a) <p class="star"> (b) <p id="box"> (c) <h1 class="menu"> (d) <p class="box">
22. 22.🎯 Which CSS selector matches this element?
    <span class="note" id="logo">Hello</span> (a) p (b) #note (c) .logo (d) #logo
23. 23.🎯 Which element does the selector h2 style? (a) <span id="logo"> (b) <li> (c) <h2 class="star"> (d) <div class="star">
24. 24.True or false: .big is an id selector. (a) True (b) False
25. 25.🎯 Which CSS selector matches this element?
    <li class="box" id="logo">Hello</li> (a) .logo (b) .star (c) #box (d) li
26. 26.True or false: body is an id selector. (a) False (b) True
27. 27.🎯 Which CSS selector matches this element?
    <p class="big" id="logo">Hello</p> (a) #end (b) .logo (c) #logo (d) .red
28. 28.🎯 Which element does the selector .star style? (a) <p class="star"> (b) <h1 class="note"> (c) <p id="star"> (d) <p class="menu">
29. 29.🎯 What kind of selector is body? (a) a class selector (b) an element selector (c) an id selector
30. 30.True or false: img is an element selector. (a) False (b) True
31. 31.🎯 Which CSS selector matches this element?
    <p class="star" id="logo">Hello</p> (a) #star (b) .menu (c) .star (d) .logo
32. 32.True or false: h1 is an id selector. (a) False (b) True
33. 33.🎯 Which element does the selector .red style? (a) <h1 id="red"> (b) <h1 class="box"> (c) <h2 class="star"> (d) <h1 class="red">
34. 34.True or false: h1 is a class selector. (a) True (b) False
35. 35.🎯 Which CSS selector matches this element?
    <h2 class="box" id="top">Hello</h2> (a) h2 (b) #box (c) li (d) .top
36. 36.🎯 Which CSS selector matches this element?
    <h1 class="star" id="end">Hello</h1> (a) .end (b) #hero (c) .menu (d) .star
37. 37.🎯 Which element does the selector .box style? (a) <p class="menu"> (b) <span class="star"> (c) <span class="box"> (d) <span id="box">
38. 38.🎯 Which CSS selector matches this element?
    <div class="star" id="intro">Hello</div> (a) .intro (b) #star (c) #main (d) #intro
39. 39.🎯 Which CSS selector matches this element?
    <li class="star" id="logo">Hello</li> (a) #end (b) div (c) #star (d) #logo
40. 40.🎯 Which CSS selector matches this element?
    <p class="big" id="hero">Hello</p> (a) #hero (b) .hero (c) #big (d) .red

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