style.css

html, body {
  margin: 0;
  padding: 0;
  font-family: Arial;
}
#map {
  width: 100vw;
  height: 100vh;
}
#schedule {
  position: absolute;
  z-index: 999;
  top: 10px;
  left: 10px;
  background: white;
  padding: 10px 15px;
}
span {
  padding: 0 2px;
}
a, a:hover, a:visited {
  color: rgb(58, 132, 223);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.leaflet-popup-content {
  font-size: 14px;
  margin: 10px 14px;
  line-height: 1.2;
}
.bus-icon {
  border: 0;
  font-size: 11px;
  text-align: center;
  line-height: 10px;
}
.bus-icon img {
  height: 32px;
}
.bus-icon img.downtown {
  -moz-transform: scaleX(-1);
  -o-transform: scaleX(-1);
  -webkit-transform: scaleX(-1);
  transform: scaleX(-1);
  filter: FlipH;
  -ms-filter: "FlipH";
}
.bus-icon span {
  z-index: 99999;
}
.legend {
  min-width: 200px;
  padding: 6px 8px;
  font: 14px/16px Arial, Helvetica, sans-serif;
  background: white;
  background: rgba(255,255,255,0.8);
  box-shadow: 0 0 15px rgba(0,0,0,0.2);
  border-radius: 5px;
}
.legend h4 {
  margin: 0 0 5px;
}

.line {
  display: inline-block;
  width: 40px;
  border-top: 5px solid red;
  vertical-align: middle;
  height: 0.1em;
}

.blue-line {
  border-top: 5px solid blue;
}

.green-line {
  border-top: 5px solid green;
}

.red-line {
  border-top: 5px solid red;
}

.icon {
  height: 1.2em;
  margin: 0;
  margin-right: 5px;
}