table.tablesorter thead tr .header {
cursor: pointer;
background-image: url(../img/sortbg.gif);
background-repeat: no-repeat; 
background-position: center left; 
padding-left: 20px; 
margin-left: -1px; 
}

a.link:hover {
    cursor: pointer;
}

.dend-node circle {
fill: #fff;
stroke: steelblue;
stroke-width: 1.5px;
}

.dend-node {
font: 10px sans-serif;
}

.dend-link {
fill: none;
stroke: #ccc;
stroke-width: 1.5px;
}

.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}

.bar {
fill: orange;
}

.bar:hover {
fill: orangered ;
}

.x.axis path {
display: none;
}