<h1>This is Open Sans</h1>
<p>Nullam in dui mauris. Vivamus hendrerit arcu sed erat molestie vehicula. Sed auctor neque eu tellus rhoncus ut eleifend nibh.<p>
@import url(//fonts.googleapis.com/css?family=Open+Sans);

body {
  background: #efefef;
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
  line-heught: 24px;
  padding: 50px;
}

h1 {
  font-size: 30px;
  line-height: 45px;
}

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