.lds-ring {
    display: inline-block;
    z-index: 1;
    opacity: .8;
    border-radius: 12px;
    position: absolute;
    left: 50%!important;
    top: 50%!important;
    width: 64px;
    height: 64px;
    margin-left: -35px;
    margin-top: -35px;
    -moz-transition: opacity .25s cubic-bezier(0, 0, .2, 1);
    -webkit-transition: opacity .25s cubic-bezier(0, 0, .2, 1);
    transition: opacity .25s cubic-bezier(0, 0, .2, 1);
    cursor: pointer;
    pointer-events: none;
}

.lds-ring,
.lds-ring:before{
    position: absolute;
    top: 30%;
    left: 40%
}

.lds-ring div {
    box-sizing: border-box;
    display: block;
    position: absolute;
    width: 70px;
    height: 70px;
    margin: 6px;
    border: 6px solid #fff;
    border-radius: 50%;
    animation: lds-ring 1.2s cubic-bezier(.5, 0, .5, 1) infinite;
    border-color: #fff transparent transparent transparent
}

.lds-ring div:nth-child(1) {
    animation-delay: -.45s
}

.lds-ring div:nth-child(2) {
    animation-delay: -.3s
}

.lds-ring div:nth-child(3) {
    animation-delay: -.15s
}

@keyframes lds-ring {
    0% {
        transform: rotate(0)
    }
    100% {
        transform: rotate(360deg)
    }
}