input.is-loading {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 50 50'><circle cx='25' cy='25' r='20' fill='none' stroke='%2399a1b7' stroke-width='4' stroke-linecap='round' stroke-dasharray='31.4 31.4'><animateTransform attributeName='transform' type='rotate' values='0 25 25;360 25 25' dur='0.8s' repeatCount='indefinite'/></circle></svg>");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 16px;
    padding-right: 2rem;
    cursor: progress;
}