.preloader{
    /* position: relative;
    height: 75px;
    width: 75px;
    margin: 50px auto 0; */
    position: fixed;
    left: 0%;
    top: 0%;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background-color:black;
    opacity: 0.6;
}
.spinner{
    width: 75px;
    height: 75px;
    margin: 0;
    border-top: 10px solid #ff3f34;
    box-shadow: 4px 4px 5px #d2d2d2 inset;
    border-right: 10px solid transparent;
    border-radius: 50%;
    animation: 1.5s spin linear infinite;
    position: absolute;
    top: 45%;
    left: 45%;
}
.spinner-2{
    width: 75px;
    height: 75px;
    margin: 0;
    border-top: 10px solid #0fbcf9;
    border-left: 10px solid transparent;
    border-radius: 50%;
    position: absolute;
    top: 45%;
    left: 45%;
    animation: 1.5s spin-2 linear infinite;
}
@keyframes spin{
    from{ transform: rotate(0deg); }
    to{ transform: rotate(360deg); }
}
@keyframes spin-2{
    from{ transform: rotate(360deg); }
    to{ transform: rotate(0deg); }
}