CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 668 · 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.True or false: body is an id selector. (a) False (b) True
2. 2.🎯 Can many elements share the same class? (a) Yes (b) No
3. 3.🎯 Which element does the selector #logo style? (a) <div class="logo"> (b) <div id="logo"> (c) <div id="end"> (d) <span class="red">
4. 4.🎯 Which element does the selector p style? (a) <li id="intro"> (b) <h1> (c) <h2 class="red"> (d) <p class="red">
5. 5.🎯 Which CSS selector matches this element?
   <h1 class="star" id="top">Hello</h1> (a) #intro (b) #top (c) #star (d) .top
6. 6.🎯 What kind of selector is img? (a) a class selector (b) an id selector (c) an element selector
7. 7.🎯 Which sign starts an id selector? (a) . (b) & (c) # (d) @
8. 8.🎯 What kind of selector is .big? (a) a class selector (b) an element selector (c) an id selector
9. 9.🎯 What kind of selector is .note? (a) an id selector (b) a class selector (c) an element selector
10. 10.True or false: img is a class selector. (a) False (b) True
11. 11.🎯 Which element does the selector .big style? (a) <h2 class="box"> (b) <h1 class="red"> (c) <h1 class="big"> (d) <h1 id="big">
12. 12.🎯 How many elements on a page should have the same id? (a) any number (b) 5 (c) 2 (d) 1
13. 13.True or false: .big is a class selector. (a) True (b) False
14. 14.🎯 Which sign starts a class selector? (a) & (b) # (c) . (d) @
15. 15.🎯 Which CSS selector matches this element?
    <li class="big" id="hero">Hello</li> (a) .hero (b) #big (c) #hero (d) div
16. 16.🎯 Which CSS selector matches this element?
    <li class="big" id="intro">Hello</li> (a) #big (b) #main (c) div (d) #intro
17. 17.🎯 Which element does the selector .star style? (a) <h2 class="star"> (b) <h2 id="star"> (c) <h2 class="menu"> (d) <li class="note">
18. 18.🎯 Which element does the selector li style? (a) <li class="big"> (b) <span class="big"> (c) <div> (d) <p id="top">
19. 19.🎯 Which CSS selector matches this element?
    <p class="star" id="end">Hello</p> (a) #hero (b) h1 (c) .star (d) .menu
20. 20.True or false: .note is an id selector. (a) False (b) True
21. 21.🎯 Which CSS selector matches this element?
    <span class="note" id="end">Hello</span> (a) .big (b) .end (c) #note (d) .note
22. 22.True or false: #hero is an id selector. (a) False (b) True
23. 23.🎯 Which CSS selector matches this element?
    <p class="big" id="logo">Hello</p> (a) #end (b) .logo (c) h1 (d) p
24. 24.🎯 Which CSS selector matches this element?
    <span class="menu" id="intro">Hello</span> (a) p (b) .intro (c) .note (d) span
25. 25.🎯 Which element does the selector #intro style? (a) <span class="intro"> (b) <span id="main"> (c) <span id="intro"> (d) <p class="box">
26. 26.🎯 Which element does the selector span style? (a) <h1 class="note"> (b) <h2 id="end"> (c) <p> (d) <span class="note">
27. 27.True or false: p is an id selector. (a) True (b) False
28. 28.True or false: .big is an id selector. (a) True (b) False
29. 29.🎯 Which element does the selector #top style? (a) <h1 id="top"> (b) <h2 class="note"> (c) <h1 class="top"> (d) <h1 id="intro">
30. 30.🎯 Which element does the selector .star style? (a) <h2 class="note"> (b) <h1 id="star"> (c) <h1 class="star"> (d) <h1 class="menu">
31. 31.🎯 Which CSS selector matches this element?
    <h1 class="note" id="end">Hello</h1> (a) #hero (b) .big (c) .end (d) h1
32. 32.🎯 Which CSS selector matches this element?
    <p class="star" id="top">Hello</p> (a) .menu (b) #star (c) h1 (d) #top
33. 33.🎯 What kind of selector is body? (a) an id selector (b) a class selector (c) an element selector
34. 34.🎯 Which element does the selector h1 style? (a) <h2> (b) <div id="top"> (c) <h1 class="star"> (d) <li class="star">
35. 35.🎯 What kind of selector is p? (a) an id selector (b) an element selector (c) a class selector
36. 36.🎯 Which element does the selector h2 style? (a) <div class="note"> (b) <li> (c) <span id="intro"> (d) <h2 class="note">
37. 37.🎯 Which CSS selector matches this element?
    <p class="menu" id="main">Hello</p> (a) .note (b) #menu (c) h1 (d) #main
38. 38.🎯 Which element does the selector .box style? (a) <li class="star"> (b) <div class="menu"> (c) <li id="box"> (d) <li class="box">
39. 39.🎯 Which CSS selector matches this element?
    <div class="red" id="logo">Hello</div> (a) .box (b) .logo (c) #red (d) #logo
40. 40.True or false: .menu is a class selector. (a) True (b) False

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