.chord path {
    fill-opacity: .67;
    stroke: #000;
    stroke-width: .5px;
}


/* minimal
*******************************************************************************/
button.minimal {
  background: #e3e3e3;
  border: 1px solid #bbb;
  -webkit-border-radius: 3px;
  -moz-border-radius: 3px;
  -ms-border-radius: 3px;
  -o-border-radius: 3px;
  border-radius: 3px;
  -webkit-box-shadow: inset 0 0 1px 1px #f6f6f6;
  -moz-box-shadow: inset 0 0 1px 1px #f6f6f6;
  -ms-box-shadow: inset 0 0 1px 1px #f6f6f6;
  -o-box-shadow: inset 0 0 1px 1px #f6f6f6;
  box-shadow: inset 0 0 1px 1px #f6f6f6;
  color: #333;
  font: bold 12px "helvetica neue", helvetica, arial, sans-serif;
  line-height: 1;
  padding: 8px 0 9px;
  text-align: center;
  text-shadow: 0 1px 0 #fff;
  width: 150px; }
  button.minimal:hover {
    background: #d9d9d9;
    -webkit-box-shadow: inset 0 0 1px 1px #eaeaea;
    -moz-box-shadow: inset 0 0 1px 1px #eaeaea;
    -ms-box-shadow: inset 0 0 1px 1px #eaeaea;
    -o-box-shadow: inset 0 0 1px 1px #eaeaea;
    box-shadow: inset 0 0 1px 1px #eaeaea;
    color: #222;
    cursor: pointer; }
  button.minimal:active {
    background: #d0d0d0;
    -webkit-box-shadow: inset 0 0 1px 1px #e3e3e3;
    -moz-box-shadow: inset 0 0 1px 1px #e3e3e3;
    -ms-box-shadow: inset 0 0 1px 1px #e3e3e3;
    -o-box-shadow: inset 0 0 1px 1px #e3e3e3;
    box-shadow: inset 0 0 1px 1px #e3e3e3;
    color: #000; }