:root {
  --loader-width: 40px;
  --loader-height: 40px;
  --less-margin: -20px;
  --loader-color-primary: #27ae60;
  --loader-color-secondary: #eee;
  --line-width: 2px;
  --animation-duration: 2s;
}
.preloader {
  position: fixed;
  width: 100vw;
  height: 100vh;
  z-index: 9999999;
  background: #fff;
  top: 0;
  left: 0;
}
.preloader .loader {
  position: relative;
  border: var(--line-width) solid var(--theme-gray-color);
  border-radius: 50%;
  border-top: var(--line-width) solid #f19821;
  width: var(--loader-width);
  height: var(--loader-height);
  -webkit-animation: spin var(--animation-duration) linear infinite;
  animation: spin var(--animation-duration) linear infinite;
  margin-top: var(--less-margin);
  margin-left: var(--less-margin);
}

/* Safari */
@-webkit-keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
  }
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}