:root
{
        --GRAPH_SVG_WIDTH: 1618;
        --GRAPH_SVG_HEIGHT:370;
}

#svg_01                         
{ 
        position:absolute;
        left:calc(50% - (var(--GRAPH_SVG_WIDTH) / 2) * 1px);
        top:calc(30% - (var(--GRAPH_SVG_HEIGHT) / 2) * 1px);

        width: var(--GRAPH_SVG_WIDTH);
        height: var(--GRAPH_SVG_HEIGHT);

        background:transparent; 
        opacity:55%;         
}

polyline                        { width:100%; opacity:75%; stroke-width:.525px; fill:none;}
polyline:hover                  { opacity:100%; }

#polyline_0             { stroke:#dd2222; }
#polyline_1             { stroke:#55ffcc;  }
#polyline_2             { stroke: purple; }