div.preview { 
  visibility: hidden;
  position: absolute;
  z-index: 95;
  right: 25%;
  top: 50%;
  width: 15em;
  height:auto;
  margin-bottom: 5%;
}
div.preview ul.events {
  border: 1px solid #555566;
  padding-right: 1.4em;
  padding-bottom: 0.5em;
  margin-left: 15%; 
  margin-right: 15%;
}
div.closeIcon { 
  position: absolute;
  z-index: 100;
  right: 2%;
  top: 15%;
 }