CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 981 · 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?
   <li class="big" id="logo">Hello</li> (a) .logo (b) #end (c) .big (d) .red
2. 2.🎯 Which CSS selector matches this element?
   <p class="star" id="hero">Hello</p> (a) .menu (b) h1 (c) .star (d) #star
3. 3.True or false: li is a class selector. (a) True (b) False
4. 4.🎯 Which sign starts an id selector? (a) @ (b) & (c) . (d) #
5. 5.🎯 What kind of selector is p? (a) an element selector (b) a class selector (c) an id selector
6. 6.🎯 Which CSS selector matches this element?
   <li class="box" id="logo">Hello</li> (a) .box (b) #end (c) .star (d) #box
7. 7.🎯 Which element does the selector li style? (a) <li class="note"> (b) <div> (c) <span class="note"> (d) <p id="main">
8. 8.🎯 What kind of selector is .star? (a) an id selector (b) an element selector (c) a class selector
9. 9.🎯 Can many elements share the same class? (a) Yes (b) No
10. 10.🎯 Which element does the selector #logo style? (a) <span class="red"> (b) <div id="end"> (c) <div id="logo"> (d) <div class="logo">
11. 11.🎯 What kind of selector is .menu? (a) a class selector (b) an id selector (c) an element selector
12. 12.True or false: #top is an element selector. (a) True (b) False
13. 13.True or false: #logo is an id selector. (a) True (b) False
14. 14.🎯 Which CSS selector matches this element?
    <span class="star" id="logo">Hello</span> (a) #end (b) .logo (c) .menu (d) .star
15. 15.🎯 Which element does the selector div style? (a) <div class="big"> (b) <p class="big"> (c) <span> (d) <h1 id="main">
16. 16.🎯 What kind of selector is h1? (a) an element selector (b) an id selector (c) a class selector
17. 17.🎯 What kind of selector is li? (a) a class selector (b) an element selector (c) an id selector
18. 18.🎯 Which element does the selector #top style? (a) <h2 class="big"> (b) <h1 id="intro"> (c) <h1 id="top"> (d) <h1 class="top">
19. 19.🎯 Which element does the selector .big style? (a) <span id="big"> (b) <p class="box"> (c) <span class="red"> (d) <span class="big">
20. 20.🎯 Which CSS selector matches this element?
    <p class="red" id="hero">Hello</p> (a) p (b) h1 (c) .box (d) #red
21. 21.True or false: .star is an element selector. (a) True (b) False
22. 22.🎯 Which CSS selector matches this element?
    <h1 class="menu" id="intro">Hello</h1> (a) .intro (b) #main (c) #intro (d) #menu
23. 23.🎯 What kind of selector is .card? (a) an id selector (b) an element selector (c) a class selector
24. 24.🎯 Which CSS selector matches this element?
    <div class="big" id="main">Hello</div> (a) #logo (b) .big (c) span (d) #big
25. 25.True or false: p is an id selector. (a) False (b) True
26. 26.🎯 Which CSS selector matches this element?
    <span class="star" id="main">Hello</span> (a) .menu (b) #logo (c) #main (d) p
27. 27.🎯 Which CSS selector matches this element?
    <h1 class="menu" id="end">Hello</h1> (a) .end (b) .menu (c) #hero (d) .note
28. 28.🎯 What kind of selector is .big? (a) a class selector (b) an id selector (c) an element selector
29. 29.True or false: body is a class selector. (a) True (b) False
30. 30.🎯 Which CSS selector matches this element?
    <h2 class="menu" id="hero">Hello</h2> (a) li (b) #menu (c) .note (d) .menu
31. 31.🎯 How many elements on a page should have the same id? (a) 5 (b) 1 (c) 2 (d) any number
32. 32.🎯 What kind of selector is body? (a) an element selector (b) an id selector (c) a class selector
33. 33.🎯 Which CSS selector matches this element?
    <p class="note" id="main">Hello</p> (a) .big (b) #note (c) h1 (d) p
34. 34.🎯 Which CSS selector matches this element?
    <p class="big" id="intro">Hello</p> (a) #big (b) h1 (c) #main (d) .big
35. 35.🎯 Which CSS selector matches this element?
    <p class="red" id="intro">Hello</p> (a) h1 (b) #red (c) .red (d) .box
36. 36.🎯 Which CSS selector matches this element?
    <li class="big" id="intro">Hello</li> (a) #main (b) #big (c) div (d) li
37. 37.True or false: .card is a class selector. (a) False (b) True
38. 38.True or false: li is an element selector. (a) True (b) False
39. 39.🎯 What kind of selector is .note? (a) an element selector (b) an id selector (c) a class selector
40. 40.🎯 Which CSS selector matches this element?
    <span class="star" id="end">Hello</span> (a) #hero (b) span (c) #star (d) p

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