CSS Worksheet: Selectors Class and Id

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

Free html and css lessons, practice and worksheets at talentjr.in/html-css-for-kids