.bar {
    fill: steelblue;
     }
     .axis text {
         font: 12px sans-serif;
     }

     .axis path,
     .axis line {
         fill: none;
         stroke: #000;
         shape-rendering: crispEdges;
         stroke-width: 1px;
     }

     .x.axis path {
         display: none;
     }

     text {
         font: 12px sans-serif;
     }

.line {
  fill: none;
  stroke-width: 2px;
}