div.balloon {
  position: absolute;
  margin: 0 auto;
  text-align: left;
  padding: 15px;
  background-color: rgba(255,255,255,0.95);
  border: 2px solid #000;
  -webkit-border-radius: 15px;
  -moz-border-radius: 15px;
  border-radius: 15px;
  -webkit-box-shadow: 2px 2px 4px #888;
  -moz-box-shadow: 2px 2px 4px #888;
  box-shadow: 2px 2px 4px #888;
  z-index: 100;
  white-space: nowrap;
}

div.balloon > .before {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  border: 13px solid;
  border-color: transparent transparent #000 transparent;
  z-index: 100;
}

div.balloon > .after {
  content: ' ';
  position: absolute;
  width: 0;
  height: 0;
  border: 13px solid;
  border-color: transparent transparent #FCFCFC transparent;
  z-index: 100;
}

div.balloon a {
  text-decoration: underline;
  font-size: 1.0em;
  line-height: 1.6em;
}