.lds-ring {
    display: inline-block;
    position: relative;
    width: 28px;
    height: 28px;
    z-index: 1000;
    margin:0 auto;
}

    .lds-ring div {
        box-sizing: border-box;
        display: block;
        position: absolute;
        width: 28px;
        height: 28px;
        margin: 5px;
        border: 5px solid #8ec63f;
        border-radius: 50%;
        animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
        border-color: #8ec63f 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);
    }
}