.async-shortcode-loading {
    width: 48px;
    height: 48px;
    display: block;
    margin: 15px auto;
    position: relative;
}
.async-shortcode-loading::after,
.async-shortcode-loading::before {
    content: '';
    box-sizing: border-box;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #e61b76;
    position: absolute;
    left: 0;
    top: 0;
    animation: animloader 2s linear infinite;
}
.async-shortcode-loading::after {
    animation-delay: 1s;
}

@keyframes animloader {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}