html {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  height: 100%;
  font-size: 15px;
}
body {
  height: 100%;
  margin: 0;
  font-weight: 500;
  background-color: rgb(230, 233, 238);
}
/*
* Splash
*/
.splash {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background-color: rgb(230, 233, 238);
}
.splash > .msg {
  text-align: center;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  font-weight: 600;
  color: rgb(41, 62, 124);
}
.splash > .spinner {
  width: 75px;
  height: 75px;
  background-color: rgb(63, 118, 221);
  margin: 10em auto 2em;
  -webkit-animation: sk-rotateplane 1.2s infinite ease-in-out;
  animation: sk-rotateplane 1.2s infinite ease-in-out;
}

@-webkit-keyframes sk-rotateplane {
  0% {
    -webkit-transform: perspective(120px);
  }
  50% {
    -webkit-transform: perspective(120px) rotateY(180deg);
  }
  100% {
    -webkit-transform: perspective(120px) rotateY(180deg) rotateX(180deg);
  }
}

@keyframes sk-rotateplane {
  0% {
    transform: perspective(120px) rotateX(0deg) rotateY(0deg);
    -webkit-transform: perspective(120px) rotateX(0deg) rotateY(0deg);
  }
  50% {
    transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
    -webkit-transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
  }
  100% {
    transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
    -webkit-transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
  }
}