html {
  background-color: #fff;
}
body {
  opacity: 0 !important;
  visibility: hidden !important;
  transition: opacity 0.4s ease-in-out;
}
body.loaded {
  opacity: 1 !important;
  visibility: visible !important;
}
#main-preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 999999;
  visibility: visible;
  opacity: 1;
  transition: 0.5s;
}
body.loaded #main-preloader {
  opacity: 0;
  visibility: hidden;
}
.loader-circle {
  width: 50px;
  height: 50px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid #3498db;
  border-radius: 50%;
  animation: 1s linear infinite spin-loader;
}
@keyframes spin-loader {
  0% {
    transform: rotate(0);
  }
  100% {
    transform: rotate(360deg);
  }
}
.loader-text {
  margin-top: 15px;
  font-family: sans-serif;
  font-size: 14px;
  color: #555;
}