html {
   height: 100%;
   width: 100%;
}

body {
   height: 100%;
   width: 100%;
}

div#loadingmask {
   color: #ffffff;
   background-color: #000000;
   height: 100%;
   width: 100%;
   position: relative;
}

div#loadingmask-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

p#loadingmask-text {
   font-size: 1.5em;
   margin-top: 10px;
}