@font-face {
    font-family: BYekan;
    src: url("../fonts/byekan.otf") format("opentype");
}

a { text-decoration: none}

.title { text-align: center}

body {
font-family: BYekan
}

.node {
  cursor: pointer;
}

.node circle {
  fill: #fff;
  stroke: steelblue;
  stroke-width: 1.5px;
}

.node text {
  font: 16px Tahoma;
}

.link {
  fill: none;
  stroke: #ccc;
  stroke-width: 2.5px;
}