/*default*/

.sppb-btn.sppb-btn-default {
    background: transparent !important;
    color: #000 !important;
    padding: 0 0 10px;
    letter-spacing: 1px;
}

.sppb-btn.sppb-btn-default:before {
    content: "";
    position: absolute;
    background-image: linear-gradient(90deg, #8ac447 0%, #1976bc 100%);
    width: 50%;
    height: 3px;
    bottom: 0;
    transition: 0.5s;
}

.sppb-btn.sppb-btn-default:hover:before,
.sppb-btn.sppb-btn-default:focus:before,
.sppb-btn.sppb-btn-default:active:before { width: 100%; }

/*end of default*/