html {
  line-height: 1.15;
  /* 1 */
  -webkit-text-size-adjust: 100%;
  /* 2 */
}

body {
  margin: 0;
}

h1 {
  font-size: 2em;
  margin: .67em 0;
}

a {
  background: transparent;
}

img {
  border-style: none;
}

input {
  font: 100%/1.15;
  margin: 0;
}

input {
  /* 1 */
  overflow: visible;
}

[type='checkbox'] {
  box-sizing: border-box;
  /* 1 */
  padding: 0;
  /* 2 */
}

::-webkit-file-upload-button {
  /* 1 */
  font: inherit;
  -webkit-appearance: button;
  /* 2 */
}