body {
    background: rgba(255, 255, 255, 0.8);
}
.lds-ripple {
    display: inline-block;
    position: relative;
    width: 80px;
    height: 80px;
    position: absolute;
    left: calc(50% - 40px);
    top: calc(50% - 40px);
}
.lds-ripple div {
    position: absolute;
    border: 4px solid #184d83;
    opacity: 1;
    border-radius: 50%;
    animation: lds-ripple 1s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}
.lds-ripple div:nth-child(2) {
    animation-delay: -0.5s;
}
@keyframes lds-ripple {
    0% {
        top: 36px;
        left: 36px;
        width: 0;
        height: 0;
        opacity: 1;
    }
    100% {
        top: 0px;
        left: 0px;
        width: 72px;
        height: 72px;
        opacity: 0;
    }
}
#ajax-spinner {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0px;
    left: 0px;
    z-index: 99999;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
}