Fontsize

gistfile1.css

html {
  font-size: 62.5%; /* sets the base font to 10px for easier math */
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  
}

body {
  font-size: 16px;
  font-size: 1.6rem;  
  /* sets the default sizing to make sure nothing is actually 10px */
}

h1 {
  font-size: 32px;
  font-size: 3.2rem;
}

@media screen and (min-width: 1280px) {
  html {
    font-size: 100%;
  }
}