#main_loader {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
     background: rgba(255, 255, 255, .87);   
    z-index: 999;
}
#main_loader .loader-wrapper {
    width: 70px;
    height: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
    position: absolute;
    margin: auto;
}
#main_loader .lds-roller {
    display: inline-block;
    position: relative;
    width: 64px;
    height: 64px;
}
#main_loader .lds-roller div {
    animation: lds-roller-main 1.2s cubic-bezier(.5, 0, .5, 1) infinite;
    transform-origin: 32px 32px;
}
#main_loader .lds-roller div:after {
    content: " ";
    display: block;
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #FF1F1F;
    margin: -3px 0 0 -3px;
}
#main_loader .lds-roller div:nth-child(1) {
    animation-delay: -36ms;
}
#main_loader .lds-roller div:nth-child(1):after {
    top: 50px;
    left: 50px;
}
#main_loader .lds-roller div:nth-child(2) {
    animation-delay: -72ms;
}
#main_loader .lds-roller div:nth-child(2):after {
    top: 54px;
    left: 45px;
}
#main_loader .lds-roller div:nth-child(3) {
    animation-delay: -108ms;
}
#main_loader .lds-roller div:nth-child(3):after {
    top: 57px;
    left: 39px;
}
#main_loader .lds-roller div:nth-child(4) {
    animation-delay: -144ms;
}
#main_loader .lds-roller div:nth-child(4):after {
    top: 58px;
    left: 32px;
}
#main_loader .lds-roller div:nth-child(5) {
    animation-delay: -.18s;
}
#main_loader .lds-roller div:nth-child(5):after {
    top: 57px;
    left: 25px;
}
#main_loader .lds-roller div:nth-child(6) {
    animation-delay: -216ms;
}
#main_loader .lds-roller div:nth-child(6):after {
    top: 54px;
    left: 19px;
}
#main_loader .lds-roller div:nth-child(7) {
    animation-delay: -252ms;
}
#main_loader .lds-roller div:nth-child(7):after {
    top: 50px;
    left: 14px;
}
#main_loader .lds-roller div:nth-child(8) {
    animation-delay: -288ms;
}
#main_loader .lds-roller div:nth-child(8):after {
    top: 45px;
    left: 10px;
}
@keyframes lds-roller-main {
    0% {
        transform: rotate(0);
    }
    100% {
        transform: rotate(360deg);
    }
}