html, body {
  height: 100vh;
}

body {
  margin:     0;
  padding:    0;
  overflow-x: hidden;
  font-family: sans-serif;

  display: flex;
  display: -ms-flexbox;
  flex-direction: column;
  -ms-flex-direction: column;

  -webkit-font-smoothing:  antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3 {
  font-size: 100%;
  padding:   0;
  margin:    0;
}

a, button {
  color: inherit;
}

* {
  box-sizing:     border-box;
  flex:           0 0 auto;
  margin:         0;
  min-height:     0;
  min-width:      0;
  -webkit-margin: 0;
}

img {
  -ms-interpolation-mode: bicubic;
}

*, *:hover, *:visited, *:hover *, *:visited * {
  outline: none;
}
ul {
  padding: 0;
  margin: 0;
}

li {
  margin: 0;
  padding: 0;
  list-style: none;
  display: block;
}

/* IE 10, 11 */
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
  * { min-height: 1px; }
}