html, body {
  height: auto;
  min-height: 100%;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  background-color: #ffffff;
}

* {
  font-family: sans-serif;
}

/*

#app {
  width: 100%;
  height: 100%;
}*/

.center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}