.wa-ajax-adding {
    position: relative;
    color: transparent !important;
    cursor: wait;
}

.wa-ajax-adding > * {
    visibility: hidden;
}

.wa-ajax-adding::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1.2em;
    height: 1.2em;
    margin: -0.6em 0 0 -0.6em;
    border: 3px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    color: #fff;
    animation: wa-ajax-spin 0.7s linear infinite;
    visibility: visible;
}

@keyframes wa-ajax-spin {
    to { transform: rotate(360deg); }
}