.leaflet-label {
    background: rgb(235, 235, 235);
    background: rgba(235, 235, 235, 0.81);
    background-clip: padding-box;
    border-color: #777;
    border-color: rgba(0,0,0,0.25);
    border-radius: 4px;
    border-style: solid;
    border-width: 4px;
    color: #111;
    display: block;
    /*font: 12px/20px "Helvetica Neue", Arial, Helvetica, sans-serif;*/
    font-weight: bold;
    padding: 1px 6px;
    position: absolute;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    white-space: nowrap;
    z-index: 6;
}

    .leaflet-label.leaflet-clickable {
        cursor: pointer;
    }

    .leaflet-label:before,
    .leaflet-label:after {
        border-top: 6px solid transparent;
        border-bottom: 6px solid transparent;
        content: none;
        position: absolute;
        top: 5px;
    }

    .leaflet-label:before {
        border-right: 6px solid black;
        border-right-color: inherit;
        left: -10px;
    }

    .leaflet-label:after {
        border-left: 6px solid black;
        border-left-color: inherit;
        right: -10px;
    }

.leaflet-label-right:before,
.leaflet-label-left:after {
    content: "";
}