.lds-ring {
    display: inline-block;
    position: relative;
    width: 18px;
    height: 18px;
}
    .lds-ring div {
        box-sizing: border-box;
        display: block;
        position: absolute;
        width: 18px;
        height: 18px;
        /*margin: 6px;*/
        border: 2px solid #333;
        border-radius: 50%;
        animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
        border-color: #333 transparent transparent transparent;
    }
.lds-ring div:nth-child(1) {
    animation-delay: -0.45s;
}
.lds-ring div:nth-child(2) {
    animation-delay: -0.3s;
}
.lds-ring div:nth-child(3) {
    animation-delay: -0.15s;
}
@keyframes lds-ring {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}


.lds-ring-white div {
    border: 2px solid #fff;
    border-color: #fff transparent transparent transparent;
}