:root { --col1: rgba(0, 183, 255, 0.75); --col2: rgba(255, 134, 0, 0.75); --blc: rgba(0, 0, 0, 0.25); --wht: rgba(255,255,255,0.75) }
#body { visibility: hidden; }

#preloaderOn div { height: 20px; width: 20px; margin: calc(40vh - 25px) calc(50vw - 25px) calc(70vh - 25px);
  animation-name: stretch; animation-duration: 5s; animation-iteration-count: infinite; z-index: 100; border-radius: 20%; background-color: var(--col1);
}
#preloaderOn { position: fixed; top: 0; z-index: 100; width: 98.9vw; height: 100vh; background: var(--blc); }
@keyframes stretch {
  0%    { transform: rotate(0deg); }
  25%   { transform: rotate(90deg); }
  50%   { transform: rotate(180deg); background-color: var(--col2); }
  75%   { transform: rotate(270deg); }
  100%  { transform: rotate(360deg); }
}

.loadings { position: fixed; top: 45vh; left: calc(50vw - 25px); }
.loadings:after { content: " ";
    border: 5px solid transparent;
    border-radius: 50%;
    border-top: 5px solid #6c757d;
    border-left: 1px;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    z-index: 10;
    position: absolute;
    left: -10px;
    top: -10px; }
.loadings:before { content: " "; width: 70px; height: 70px; background: #FFFA;
  backdrop-filter: blur(5px); position: absolute; left: -25px; top: -25px; border-radius: 5; border-radius: 5px;
  box-shadow: 2px 2px 10px -2px #0003; }

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

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