.submit-btn.sending {
    pointer-events: none !important;
    color: transparent !important;;
    background-image: url("data:image/svg+xml,%3Csvg width='38' height='38' viewBox='0 0 38 38' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3ClinearGradient x1='8.042%25' y1='0%25' x2='65.682%25' y2='23.865%25' id='a'%3E%3Cstop stop-color='%23fff' stop-opacity='0' offset='0%25'/%3E%3Cstop stop-color='%23fff' stop-opacity='.631' offset='63.146%25'/%3E%3Cstop stop-color='%23fff' offset='100%25'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg transform='translate(1 1)'%3E%3Cpath d='M36 18c0-9.94-8.06-18-18-18' id='Oval-2' stroke='url(%23a)' stroke-width='2'%3E%3CanimateTransform attributeName='transform' type='rotate' from='0 18 18' to='360 18 18' dur='0.9s' repeatCount='indefinite' /%3E%3C/path%3E%3Ccircle fill='%23fff' cx='36' cy='18' r='1'%3E%3CanimateTransform attributeName='transform' type='rotate' from='0 18 18' to='360 18 18' dur='0.9s' repeatCount='indefinite' /%3E%3C/circle%3E%3C/g%3E%3C/g%3E%3C/svg%3E") !important;
    background-position: center !important;
    background-size: auto 50% !important;
    background-repeat: no-repeat !important;
    transition: none !important;
    opacity: .5 !important;
}

.submit-btn[disabled] {
    opacity: .5;
    pointer-events: none;
}

.form-output {
    color: #fff;
    font-weight: bold;
    margin: 20px 0;
}

.form-output p {
    margin: 0;
}

.form-output.is-success {
    background-color: #43A047;
    padding: 12px 16px;
}

.form-output.is-error {
    background-color: #d32f2f;
    padding: 12px 16px;
}