.link {
  fill: none;
  stroke: #666;
    stroke-width: 1.5px;
}

#M11, #M21, #M31 {
fill:  #607EB2;
  }

.link.M11, .link.M21, .link.M31{
  stroke: #607EB2;
}

#M1 {
fill: #A95ED1;
  }

#M2 {
fill:#569342;
  }

#M3 {
fill: #CC4C45;
  }

#M4 {
fill: #607EB2;
  }
#M5 {
fill: #A97728;
  }
#M6 {
fill: #BE5290;
  }

.link.M1 {
  stroke: #A95ED1;
}

.link.M2 {
  stroke: #569342;
}

.link.M3 {
  stroke: #CC4C45;
}

.link.M4 {
  stroke: #607EB2;
}
.link.M5 {
  stroke:#A97728;
}
.link.M6 {
  stroke:#BE5290;
}



.link.resolved {
  stroke-dasharray: 0,2 1;
}

circle {
  fill: #ccc;
    stroke: #333;
    stroke-width: 1.5px;
}

text {
  fill:#797979;
	font-size: 0.5em;
  pointer-events: none;
}