*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

div#global_container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
main {
  flex: 1;
}
footer {
  background: #eee;
  padding: 1em;
  text-align: center;
}