body {
  width: 20ch;
  font-size: 2em;
  font-family: courier;
  color: white;
  background-color: rgb(149, 161, 186);
}
div {
  display: inline;
}
div:hover {
  background-color: rgb(173, 133, 186);
}

#ethernet-dest:hover {
  color: rgb(69, 53, 103);
}
#ethernet-src:hover {
  color: rgb(69, 53, 103);
}
#ip-src:hover {
  color: rgb(69, 53, 103);
}
#ip-dest:hover {
  color: rgb(69, 53, 103);
}
#port-src:hover {
  color: rgb(69, 53, 103);
}
#port-dest:hover {
  color: rgb(69, 53, 103);
}
#tcp-flags:hover {
  color: rgb(69, 53, 103);
}

span.tooltips {
  position: relative;
  display: inline;
}
span.tooltips a {
  position: absolute;
  width: 120px;
  color: #FFFFFF;
  background: #000000;
  height: 30px;
  line-height: 34px;
  text-align: center;
  visibility: hidden;
  border-radius: 7px;
}
span.tooltips a:after {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  margin-left: -8px;
  width: 0; height: 0;
  border-bottom: 8px solid #000000;
  border-right: 8px solid transparent;
  border-left: 8px solid transparent;
}
span:hover.tooltips a {
  visibility: visible;
  font-size: .5em;
  font-family: helvetica;
  opacity: 0.8;
  top: 30px;
  left: 50%;
  margin-left: -76px;
  z-index: 999;
}