.page {
  height: 100%;
  width: 100%;
  display: flex;
  flex-flow: column nowrap;
  justify-content: space-between;
}

.header {
  width: 100%;
  display: block;
  text-align: center;
  border-bottom: 2px solid #555;
}

.footer {
  bottom: 0px;
  width: 100%;
  display: block;
  text-align: center;
  border-top: 2px solid #555;
}

.state {
  height: 100%;
  width: 100%;
}

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