.theme-3 .txt-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #003242;
  font: bold 4em "Poppins", sans-serif;
  text-align: center;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.theme-3 .letters-loading {
  color: rgba(0, 0, 0, 0.2);
  position: relative;
}
.theme-3 .theme-3-musk {
  position: fixed;
  background-color: #242939;
  height: 100vh;
  width: 100vw;
  top: 0;
  left: 0;
}
*,
::after,
::before {
  box-sizing: border-box;
}
.theme-3 .txt-loading .letters-loading:before {
  -webkit-animation: letters-loading 4s infinite;
  animation: letters-loading 4s infinite;
  color: #000000;
  content: attr(data-text-preloader);
  left: 0;
  opacity: 0;
  font-family: "Poppins", sans-serif;
  position: absolute;
  top: -3px;
  -webkit-transform: rotateY(-90deg);
  transform: rotateY(-90deg);
}
.theme-3 .letters-loading:nth-child(2):before {
  -webkit-animation-delay: 0.2s;

  animation-delay: 0.2s;
}
.theme-3 .txt-loading .letters-loading:nth-child(3):before {
  -webkit-animation-delay: 0.4s;

  animation-delay: 0.4s;
}
.theme-3 .txt-loading .letters-loading:nth-child(4):before {
  -webkit-animation-delay: 0.6s;

  animation-delay: 0.6s;
}
.theme-3 .txt-loading .letters-loading:nth-child(5):before {
  -webkit-animation-delay: 0.8s;

  animation-delay: 0.8s;
}
.theme-3 .txt-loading .letters-loading:nth-child(6):before {
  -webkit-animation-delay: 1s;

  animation-delay: 1s;
}
.theme-3 .txt-loading .letters-loading:nth-child(7):before {
  -webkit-animation-delay: 1.2s;

  animation-delay: 1.2s;
}
.theme-3 .txt-loading .letters-loading:nth-child(8):before {
  -webkit-animation-delay: 1.4s;

  animation-delay: 1.4s;
}
.theme-3 .txt-loading .letters-loading:before {
  color: #fff;
}
@-webkit-keyframes letters-loading {
  0%,
  75%,
  100% {
    opacity: 0;

    -webkit-transform: rotateY(-90deg);

    transform: rotateY(-90deg);
  }

  25%,
  50% {
    opacity: 1;

    -webkit-transform: rotateY(0deg);

    transform: rotateY(0deg);
  }
}

@keyframes letters-loading {
  0%,
  75%,
  100% {
    opacity: 0;

    -webkit-transform: rotateY(-90deg);

    transform: rotateY(-90deg);
  }

  25%,
  50% {
    opacity: 1;

    -webkit-transform: rotateY(0deg);

    transform: rotateY(0deg);
  }
}