.lds-ripple {
    display: inline-block;
    position: relative;
    width: 45px;
    height: 45px;
}

.lds-ripple div {
    position: absolute;
    border: 3px solid var(--background-color);
    opacity: 1;
    border-radius: 50%;
    -webkit-animation: lds-ripple 1s ease-out infinite;
    animation: lds-ripple 1s ease-out infinite;
}

.lds-ripple div:nth-child(2) {
    -webkit-animation-delay: -0.5s;
    animation-delay: -0.5s;
}

@-webkit-keyframes lds-ripple {
    0% {
        top: 22.5px;
        left: 22.5px;
        width: 0;
        height: 0;
        opacity: 1;
    }
    100% {
        top: 0px;
        left: 0px;
        width: 45px;
        height: 45px;
        opacity: 0;
    }
}

@keyframes lds-ripple {
    0% {
        top: 22.5px;
        left: 22.5px;
        width: 0;
        height: 0;
        opacity: 1;
    }
    100% {
        top: 0px;
        left: 0px;
        width: 45px;
        height: 45px;
        opacity: 0;
    }
}