    /** * @class Ext.d3.hierarchy.Hierarchy */ .#{$d3-prefix}hierarchy {    -webkit-tap-highlight-color: rgba(0,0,0,0);     .#{$d3-prefix}node {        cursor: default;         fill: #ddd;        stroke: #314b8b;         .#{$d3-prefix}label {            font-size: 1em;             fill: black;            stroke: none;        }         &.#{$d3-prefix}parent {            cursor: pointer;             .#{$d3-prefix}label {                font-weight: bold;            }        }         &.#{$d3-prefix}selected {            fill: $d3-selection-fill;            stroke: $d3-selection-stroke;        }    }}