*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  line-height: 1.6;
  background-color: #f4f7f6;
  color: #333;
}
a {
  text-decoration: none;
  color: inherit;
}
button,
input,
textarea,
select {
  font: inherit;
}