* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  text-decoration: none;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizelegibility;
  -moz-osx-font-smoothing: grayscale;
  line-height: inherit;
  outline: 0;
  -webkit-tap-highlight-color: rgba(0,0,0,0);
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

input, textarea {
  outline: 0;
}

img {
  border: 0;
}

main, header, nav, section {
  display: block;
}