1 body {

     2   font: 10px sans-serif;

     3 }

     4 

     5 .rule line {

     6   stroke: #eee;

     7   shape-rendering: crispEdges;

     8 }

     9 

    10 .rule line.axis {

    11   stroke: #000;

    12 }

    13 

    14 .line {

    15   fill: none;

    16   stroke: steelblue;

    17   stroke-width: 1.5px;

    18 }

    19 

    20 circle.line {

    21   fill: #fff;

    22 }