body, html {
  margin:0;
  height:100%;
  background: #F4F7FA;
}

.center {
  margin: 0;
  color: white;
  position: absolute;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}

@media (prefers-color-scheme: dark) {
  body {
    margin:0;
    height:100%;
    background: #F4F7FA;
  }
}

.maintenance {
  background-color: white;
}
.maintenance-text img {
  width: 200px;
  padding-bottom: 50px;
}
.maintenance-text {
  text-align: center;
  color: black;
  font-size: 3em;
  font-weight: bold;
}