/* Interaction Network */
#circle {
  width: 20px;
  height: 20px;
  background: orange;
  border-radius: 50%;
}
#triangle-up {
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-bottom: 20px solid green;
}

#diamond-narrow {
  width: 0;
  height: 0;
  border: 10px solid transparent;
  border-bottom: 14px solid aqua;
  position: relative;
  top: -10px;
}
#diamond-narrow:after {
  content: "";
  position: absolute;
  left: -10px;
  top: 14px;
  width: 0;
  height: 0;
  border: 10px solid transparent;
  border-top: 14px solid aqua;
}