CSS Worksheet: Which Rule Wins

HTML and CSS lesson 17: Which CSS rule wins? · Set 250 · 40 questions

Code tip (Stronger first, then later): Strength: #id > .class > element. The stronger selector wins, wherever it is written. Equal strength: the later rule wins.

1. 1.⚖️ Which selector is the weakest? (a) an id selector (b) a class selector (c) an element selector
2. 2.⚖️ What colour is the text of this element?
   <p class="red" id="end">Hi</p>
   CSS:
   .red { color: blue; }
   .red { color: purple; } (a) black (b) blue (c) red (d) purple
3. 3.⚖️ What colour is the text of this element?
   <h2 class="note" id="end">Hi</h2>
   CSS:
   .note { color: purple; }
   .note { color: blue; } (a) blue (b) yellow (c) purple (d) white
4. 4.⚖️ Two rules with the same selector set a colour. Which one wins? (a) the first one (b) the shorter one (c) neither (d) the later one
5. 5.⚖️ What colour is the text of this element?
   <h1 class="red" id="main">Hi</h1>
   CSS:
   .red { color: blue; }
   .red { color: green; } (a) green (b) blue (c) white (d) red
6. 6.⚖️ Which selector is the strongest? (a) a class selector (b) an element selector (c) an id selector
7. 7.⚖️ What colour is the text of this element?
   <p class="box" id="main">Hi</p>
   CSS:
   #main { color: white; }
   .box { color: black; } (a) black (b) white (c) orange (d) green
8. 8.⚖️ What colour is the text of this element?
   <h2 class="big" id="main">Hi</h2>
   CSS:
   #main { color: white; }
   #main { color: yellow; } (a) green (b) white (c) yellow (d) orange
9. 9.⚖️ What colour is the text of this element?
   <h1 class="star" id="main">Hi</h1>
   CSS:
   #main { color: purple; }
   .star { color: green; } (a) green (b) black (c) blue (d) purple
10. 10.⚖️ What colour is the text of this element?
    <h1 class="red" id="intro">Hi</h1>
    CSS:
    h1 { color: red; }
    h1 { color: black; } (a) black (b) white (c) red (d) blue
11. 11.⚖️ What colour is the text of this element?
    <h1 class="note" id="end">Hi</h1>
    CSS:
    .note { color: green; }
    .note { color: black; } (a) black (b) blue (c) green (d) red
12. 12.⚖️ What colour is the text of this element?
    <h1 class="red" id="top">Hi</h1>
    CSS:
    #top { color: red; }
    #top { color: blue; } (a) green (b) black (c) red (d) blue
13. 13.⚖️ What colour is the text of this element?
    <p class="red" id="intro">Hi</p>
    CSS:
    #intro { color: yellow; }
    p { color: green; }
    .red { color: purple; } (a) yellow (b) white (c) green (d) purple
14. 14.⚖️ What colour is the text of this element?
    <p class="note" id="top">Hi</p>
    CSS:
    #top { color: blue; }
    #top { color: red; } (a) white (b) blue (c) red (d) black
15. 15.⚖️ What colour is the text of this element?
    <p class="box" id="hero">Hi</p>
    CSS:
    .box { color: white; }
    p { color: purple; }
    #hero { color: green; } (a) red (b) white (c) purple (d) green
16. 16.⚖️ What colour is the text of this element?
    <p class="star" id="top">Hi</p>
    CSS:
    p { color: green; }
    p { color: orange; } (a) orange (b) red (c) yellow (d) green
17. 17.⚖️ What colour is the text of this element?
    <h1 class="big" id="intro">Hi</h1>
    CSS:
    #intro { color: blue; }
    h1 { color: green; }
    .big { color: purple; } (a) blue (b) white (c) purple (d) green
18. 18.⚖️ What colour is the text of this element?
    <p class="note" id="hero">Hi</p>
    CSS:
    .note { color: red; }
    .note { color: black; } (a) purple (b) black (c) yellow (d) red
19. 19.⚖️ What colour is the text of this element?
    <h2 class="red" id="top">Hi</h2>
    CSS:
    h2 { color: green; }
    h2 { color: blue; } (a) green (b) black (c) purple (d) blue
20. 20.⚖️ What colour is the text of this element?
    <p class="box" id="intro">Hi</p>
    CSS:
    p { color: blue; }
    p { color: red; } (a) blue (b) black (c) green (d) red
21. 21.⚖️ What colour is the text of this element?
    <h1 class="menu" id="intro">Hi</h1>
    CSS:
    h1 { color: green; }
    h1 { color: white; } (a) green (b) white (c) yellow (d) purple
22. 22.⚖️ What colour is the text of this element?
    <h2 class="big" id="top">Hi</h2>
    CSS:
    .big { color: red; }
    h2 { color: green; } (a) orange (b) red (c) green (d) black
23. 23.⚖️ What colour is the text of this element?
    <p class="red" id="hero">Hi</p>
    CSS:
    .red { color: white; }
    p { color: red; } (a) purple (b) white (c) red (d) blue
24. 24.⚖️ What colour is the text of this element?
    <p class="red" id="end">Hi</p>
    CSS:
    p { color: purple; }
    p { color: black; } (a) blue (b) black (c) purple (d) red
25. 25.⚖️ What colour is the text of this element?
    <h2 class="big" id="main">Hi</h2>
    CSS:
    #main { color: orange; }
    #main { color: red; } (a) orange (b) red (c) green (d) white
26. 26.⚖️ What colour is the text of this element?
    <p class="red" id="main">Hi</p>
    CSS:
    .red { color: blue; }
    #main { color: purple; } (a) blue (b) yellow (c) white (d) purple
27. 27.⚖️ What colour is the text of this element?
    <h2 class="box" id="intro">Hi</h2>
    CSS:
    #intro { color: black; }
    #intro { color: red; } (a) green (b) red (c) purple (d) black
28. 28.⚖️ What colour is the text of this element?
    <p class="red" id="intro">Hi</p>
    CSS:
    .red { color: green; }
    p { color: orange; } (a) yellow (b) orange (c) green (d) red
29. 29.⚖️ What colour is the text of this element?
    <p class="menu" id="end">Hi</p>
    CSS:
    p { color: yellow; }
    p { color: blue; } (a) white (b) blue (c) orange (d) yellow
30. 30.⚖️ What colour is the text of this element?
    <h1 class="box" id="hero">Hi</h1>
    CSS:
    .box { color: black; }
    .box { color: blue; } (a) green (b) blue (c) orange (d) black
31. 31.⚖️ What colour is the text of this element?
    <p class="menu" id="hero">Hi</p>
    CSS:
    .menu { color: black; }
    p { color: orange; } (a) blue (b) orange (c) white (d) black
32. 32.⚖️ What colour is the text of this element?
    <h2 class="menu" id="top">Hi</h2>
    CSS:
    #top { color: orange; }
    #top { color: white; } (a) black (b) orange (c) green (d) white
33. 33.⚖️ What colour is the text of this element?
    <p class="menu" id="end">Hi</p>
    CSS:
    p { color: black; }
    p { color: blue; } (a) white (b) blue (c) black (d) green
34. 34.⚖️ What colour is the text of this element?
    <h2 class="red" id="top">Hi</h2>
    CSS:
    #top { color: green; }
    .red { color: black; }
    h2 { color: red; } (a) green (b) red (c) black (d) blue
35. 35.⚖️ What colour is the text of this element?
    <p class="note" id="top">Hi</p>
    CSS:
    #top { color: orange; }
    .note { color: green; }
    p { color: blue; } (a) blue (b) green (c) red (d) orange
36. 36.⚖️ What colour is the text of this element?
    <h1 class="note" id="end">Hi</h1>
    CSS:
    .note { color: black; }
    .note { color: white; } (a) white (b) black (c) yellow (d) blue
37. 37.⚖️ What colour is the text of this element?
    <p class="box" id="main">Hi</p>
    CSS:
    #main { color: yellow; }
    #main { color: purple; } (a) blue (b) yellow (c) red (d) purple
38. 38.⚖️ What colour is the text of this element?
    <h2 class="menu" id="main">Hi</h2>
    CSS:
    #main { color: purple; }
    #main { color: blue; } (a) purple (b) blue (c) red (d) orange
39. 39.⚖️ What colour is the text of this element?
    <h2 class="star" id="main">Hi</h2>
    CSS:
    .star { color: blue; }
    h2 { color: black; } (a) black (b) blue (c) purple (d) orange
40. 40.⚖️ What colour is the text of this element?
    <p class="star" id="logo">Hi</p>
    CSS:
    p { color: yellow; }
    p { color: purple; } (a) yellow (b) black (c) purple (d) green

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