leaflet-beautify-marker-icon.css

/*
  Leaflet.BeautifyIcon, a plugin that adds colorful iconic markers for Leaflet by giving full control of style to end user, It has also ability to adjust font awesome
  and glyphicon icons
  (c) 2016-2017, Muhammad Arslan Sajid
  http://leafletjs.com
*/
.beautify-marker {
    text-align: center;
    font-weight: 700;
    font-family: monospace;
    position:absolute;
     -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

    .beautify-marker.circle {
        border-radius: 100%;
    }

    .beautify-marker.circle-dot, .beautify-marker.doughnut {
        border-radius: 100%;
    }

    .beautify-marker.marker {
        border-top-left-radius: 50%;
        border-top-right-radius: 50% 100%;
        border-bottom-left-radius: 100% 50%;
        border-bottom-right-radius: 0%;
        /* rotating 45deg clockwise to get the corner bottom center */
        transform: rotate(45deg); 
        
    }

    .beautify-marker.marker > * {
        /* rotating 45deg counterclock to adjust marker content back to normal */
        transform: rotate(-45deg);
    }