.loading-preview.ng-hide-add {
  -webkit-animation: 1.5s fadeOut ease;
          animation: 1.5s fadeOut ease;
}
.loading-preview.ng-hide-add .sk-cube {
  opacity: 0;
}
@-webkit-keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}
@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}
.fadeOut {
  -webkit-animation-name: fadeOut;
  animation-name: fadeOut;
}
.loading-preview {
  background-color: #03458F;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  z-index: 100;
}
.sk-folding-cube {
  margin: 20px auto;
  width: 50px;
  height: 50px;
  position: relative;
  -webkit-transform: rotateZ(45deg);
  transform: rotateZ(45deg);
}
.sk-folding-cube .sk-cube {
  float: left;
  width: 50%;
  height: 50%;
  position: relative;
  -webkit-transform: scale(1.1);
  transform: scale(1.1);
}
.sk-folding-cube .sk-cube:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #ffffff;
  -webkit-animation: sk-foldCubeAngle 2.4s infinite linear both;
  animation: sk-foldCubeAngle 2.4s infinite linear both;
  -webkit-transform-origin: 100% 100%;
  transform-origin: 100% 100%;
}
.sk-folding-cube .sk-cube2 {
  -webkit-transform: scale(1.1) rotateZ(90deg);
  transform: scale(1.1) rotateZ(90deg);
}
.sk-folding-cube .sk-cube3 {
  -webkit-transform: scale(1.1) rotateZ(180deg);
  transform: scale(1.1) rotateZ(180deg);
}
.sk-folding-cube .sk-cube4 {
  -webkit-transform: scale(1.1) rotateZ(270deg);
  transform: scale(1.1) rotateZ(270deg);
}
.sk-folding-cube .sk-cube2:before {
  -webkit-animation-delay: 0.3s;
  animation-delay: 0.3s;
}
.sk-folding-cube .sk-cube3:before {
  -webkit-animation-delay: 0.6s;
  animation-delay: 0.6s;
}
.sk-folding-cube .sk-cube4:before {
  -webkit-animation-delay: 0.9s;
  animation-delay: 0.9s;
}
@-webkit-keyframes sk-foldCubeAngle {
  0%,
  10% {
    -webkit-transform: perspective(140px) rotateX(-180deg);
    transform: perspective(140px) rotateX(-180deg);
    opacity: 0;
  }
  25%,
  75% {
    -webkit-transform: perspective(140px) rotateX(0deg);
    transform: perspective(140px) rotateX(0deg);
    opacity: 1;
  }
  90%,
  100% {
    -webkit-transform: perspective(140px) rotateY(180deg);
    transform: perspective(140px) rotateY(180deg);
    opacity: 0;
  }
}
@keyframes sk-foldCubeAngle {
  0%,
  10% {
    -webkit-transform: perspective(140px) rotateX(-180deg);
    transform: perspective(140px) rotateX(-180deg);
    opacity: 0;
  }
  25%,
  75% {
    -webkit-transform: perspective(140px) rotateX(0deg);
    transform: perspective(140px) rotateX(0deg);
    opacity: 1;
  }
  90%,
  100% {
    -webkit-transform: perspective(140px) rotateY(180deg);
    transform: perspective(140px) rotateY(180deg);
    opacity: 0;
  }
}