body,
html {
  margin: 0;
  padding: 0;
}

* {
  box-sizing: border-box;
}

body {
  display: flex;
  width: 100%;
  height: 100vh;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 9pt;
  line-height: 1.5;
  background: #2f2f2f;
  color: #ffffff;
  flex-flow: column nowrap;
  justify-content: center;
  align-items: center;
}

#container {
  padding: 1em;
}

footer {
  text-align: center;
}

a {
  color: #649ec5;
}

#canvas-layers {
  display: grid;
  min-width: 640px;
  min-height: 480px;
  outline: 1px solid gray;
}
#canvas-layers > * {
  grid-column: 1;
  grid-row: 1;
}

#loading {
  display: flex;
  flex-flow: column nowrap;
  justify-content: center;
  text-align: center;
}

#error {
  margin: 1em auto;
  padding: 1em;
  width: fit-content;
  background-color: rgb(138, 8, 8);
}