html {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

*,
*::before,
*::after {
  -webkit-box-sizing: inherit;
  box-sizing: inherit;
}

body {
  font-family: "Source Sans Pro";
  font-size: 16px;
  background-color: var(--theme-app-bg);
  color: var(--theme-app-fg);
  margin: 0;
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

div#loading {
  animation-name: fadeOut;
  animation-duration: 0.25s;
  animation-fill-mode: forwards;
}