CSS Worksheet: Selectors Class and Id

HTML and CSS lesson 13: Selectors: element, class and id · Set 255 · 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="box" id="hero">Hello</span> (a) #top (b) .hero (c) p (d) span
2. 2.True or false: .note is a class selector. (a) True (b) False
3. 3.🎯 Which sign starts an id selector? (a) # (b) & (c) @ (d) .
4. 4.🎯 Which CSS selector matches this element?
   <h1 class="big" id="hero">Hello</h1> (a) #big (b) .red (c) #hero (d) #top
5. 5.🎯 What kind of selector is #end? (a) a class selector (b) an element selector (c) an id selector
6. 6.🎯 Which element does the selector #end style? (a) <p class="big"> (b) <span class="end"> (c) <span id="hero"> (d) <span id="end">
7. 7.🎯 Which CSS selector matches this element?
   <span class="star" id="logo">Hello</span> (a) .menu (b) span (c) .logo (d) #star
8. 8.🎯 Which element does the selector .star style? (a) <p id="star"> (b) <p class="menu"> (c) <p class="star"> (d) <h1 class="note">
9. 9.🎯 Which CSS selector matches this element?
   <div class="note" id="intro">Hello</div> (a) div (b) .intro (c) .big (d) #note
10. 10.🎯 Which CSS selector matches this element?
    <p class="red" id="intro">Hello</p> (a) .intro (b) h1 (c) p (d) #red
11. 11.🎯 How many elements on a page should have the same id? (a) 1 (b) any number (c) 5 (d) 2
12. 12.🎯 Which element does the selector #intro style? (a) <h1 id="main"> (b) <h1 id="intro"> (c) <h2 class="big"> (d) <h1 class="intro">
13. 13.🎯 Which CSS selector matches this element?
    <h1 class="big" id="intro">Hello</h1> (a) #intro (b) #main (c) .red (d) h2
14. 14.🎯 Which element does the selector div style? (a) <h1 id="main"> (b) <span> (c) <div class="big"> (d) <p class="big">
15. 15.True or false: .menu is an element selector. (a) True (b) False
16. 16.🎯 Which CSS selector matches this element?
    <span class="star" id="main">Hello</span> (a) span (b) #logo (c) .menu (d) p
17. 17.🎯 Which element does the selector .note style? (a) <span class="note"> (b) <p class="red"> (c) <span id="note"> (d) <span class="big">
18. 18.True or false: li is an id selector. (a) True (b) False
19. 19.🎯 Which sign starts a class selector? (a) . (b) @ (c) & (d) #
20. 20.🎯 Can many elements share the same class? (a) Yes (b) No
21. 21.🎯 Which CSS selector matches this element?
    <h2 class="star" id="end">Hello</h2> (a) #end (b) .end (c) #hero (d) li
22. 22.True or false: .star is a class selector. (a) False (b) True
23. 23.🎯 Which CSS selector matches this element?
    <p class="star" id="end">Hello</p> (a) #star (b) .star (c) .end (d) .menu
24. 24.🎯 Which element does the selector h1 style? (a) <h2> (b) <li class="star"> (c) <div id="end"> (d) <h1 class="star">
25. 25.True or false: .card is an element selector. (a) True (b) False
26. 26.True or false: #top is an id selector. (a) True (b) False
27. 27.🎯 Which element does the selector span style? (a) <h2 id="main"> (b) <p> (c) <h1 class="box"> (d) <span class="box">
28. 28.🎯 Which element does the selector li style? (a) <span class="star"> (b) <li class="star"> (c) <p id="intro"> (d) <div>
29. 29.🎯 What kind of selector is img? (a) a class selector (b) an element selector (c) an id selector
30. 30.🎯 Which CSS selector matches this element?
    <li class="box" id="hero">Hello</li> (a) #top (b) #box (c) li (d) .star
31. 31.🎯 What kind of selector is .note? (a) a class selector (b) an element selector (c) an id selector
32. 32.🎯 Which CSS selector matches this element?
    <h2 class="box" id="top">Hello</h2> (a) #box (b) #intro (c) li (d) #top
33. 33.True or false: #end is an element selector. (a) False (b) True
34. 34.True or false: #main is an element selector. (a) False (b) True
35. 35.🎯 What kind of selector is .card? (a) an element selector (b) an id selector (c) a class selector
36. 36.🎯 Which CSS selector matches this element?
    <div class="big" id="hero">Hello</div> (a) span (b) .big (c) .red (d) #top
37. 37.🎯 Which CSS selector matches this element?
    <li class="box" id="end">Hello</li> (a) #hero (b) div (c) .box (d) .star
38. 38.True or false: #logo is an id selector. (a) True (b) False
39. 39.🎯 What kind of selector is body? (a) an id selector (b) an element selector (c) a class selector
40. 40.True or false: .menu is a class selector. (a) False (b) True

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