CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 404 · 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 CSS selector matches this element?
   <span class="big" id="end">Hello</span> (a) #end (b) #hero (c) .red (d) .end
2. 2.🎯 Which element does the selector h1 style? (a) <div id="hero"> (b) <h2> (c) <h1 class="menu"> (d) <li class="menu">
3. 3.🎯 Which CSS selector matches this element?
   <span class="note" id="logo">Hello</span> (a) span (b) .big (c) .logo (d) #note
4. 4.🎯 What kind of selector is .menu? (a) an element selector (b) a class selector (c) an id selector
5. 5.🎯 Which CSS selector matches this element?
   <h1 class="note" id="end">Hello</h1> (a) #note (b) #hero (c) h2 (d) h1
6. 6.🎯 Which element does the selector span style? (a) <h1 class="menu"> (b) <h2 id="end"> (c) <span class="menu"> (d) <p>
7. 7.🎯 Which element does the selector div style? (a) <p class="menu"> (b) <h1 id="intro"> (c) <div class="menu"> (d) <span>
8. 8.🎯 What kind of selector is #main? (a) an element selector (b) an id selector (c) a class selector
9. 9.🎯 What kind of selector is .big? (a) an element selector (b) an id selector (c) a class selector
10. 10.🎯 Which sign starts an id selector? (a) @ (b) . (c) & (d) #
11. 11.🎯 Which element does the selector .red style? (a) <span id="red"> (b) <span class="red"> (c) <p class="star"> (d) <span class="box">
12. 12.🎯 Which CSS selector matches this element?
    <h1 class="menu" id="end">Hello</h1> (a) h1 (b) .note (c) #menu (d) .end
13. 13.🎯 Which element does the selector .box style? (a) <div id="box"> (b) <span class="menu"> (c) <div class="box"> (d) <div class="star">
14. 14.True or false: h1 is an element selector. (a) False (b) True
15. 15.🎯 Which CSS selector matches this element?
    <h2 class="box" id="logo">Hello</h2> (a) #logo (b) #box (c) li (d) #end
16. 16.🎯 Which element does the selector div style? (a) <p class="note"> (b) <span> (c) <div class="note"> (d) <h1 id="main">
17. 17.🎯 Which CSS selector matches this element?
    <span class="note" id="logo">Hello</span> (a) #note (b) #end (c) .big (d) .note
18. 18.True or false: .note is an id selector. (a) False (b) True
19. 19.🎯 Which CSS selector matches this element?
    <li class="red" id="hero">Hello</li> (a) .box (b) #hero (c) div (d) #top
20. 20.🎯 Can many elements share the same class? (a) Yes (b) No
21. 21.🎯 Which sign starts a class selector? (a) & (b) . (c) # (d) @
22. 22.🎯 Which element does the selector #top style? (a) <span class="note"> (b) <div class="top"> (c) <div id="top"> (d) <div id="intro">
23. 23.🎯 Which CSS selector matches this element?
    <h2 class="box" id="main">Hello</h2> (a) #logo (b) .main (c) .box (d) li
24. 24.True or false: .big is a class selector. (a) False (b) True
25. 25.🎯 What kind of selector is #top? (a) a class selector (b) an element selector (c) an id selector
26. 26.🎯 Which CSS selector matches this element?
    <div class="box" id="hero">Hello</div> (a) .star (b) span (c) div (d) .hero
27. 27.🎯 What kind of selector is body? (a) a class selector (b) an id selector (c) an element selector
28. 28.🎯 What kind of selector is .star? (a) an id selector (b) a class selector (c) an element selector
29. 29.🎯 Which CSS selector matches this element?
    <div class="menu" id="hero">Hello</div> (a) span (b) .menu (c) .hero (d) .note
30. 30.🎯 Which element does the selector .note style? (a) <span id="note"> (b) <span class="note"> (c) <span class="big"> (d) <p class="red">
31. 31.🎯 Which element does the selector .star style? (a) <div class="note"> (b) <li class="star"> (c) <li class="menu"> (d) <li id="star">
32. 32.True or false: li is an element selector. (a) False (b) True
33. 33.🎯 Which CSS selector matches this element?
    <h2 class="red" id="logo">Hello</h2> (a) #red (b) li (c) .red (d) .box
34. 34.🎯 Which element does the selector .big style? (a) <div class="box"> (b) <li class="red"> (c) <li class="big"> (d) <li id="big">
35. 35.🎯 Which element does the selector #logo style? (a) <h1 class="star"> (b) <p class="logo"> (c) <p id="logo"> (d) <p id="end">
36. 36.🎯 Which element does the selector #logo style? (a) <li id="end"> (b) <li class="logo"> (c) <li id="logo"> (d) <div class="big">
37. 37.🎯 Which element does the selector .star style? (a) <h2 class="star"> (b) <h2 class="menu"> (c) <li class="note"> (d) <h2 id="star">
38. 38.🎯 What kind of selector is #logo? (a) an element selector (b) a class selector (c) an id selector
39. 39.🎯 What kind of selector is .card? (a) a class selector (b) an element selector (c) an id selector
40. 40.🎯 Which CSS selector matches this element?
    <h2 class="star" id="intro">Hello</h2> (a) .menu (b) .intro (c) #intro (d) li

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