style.css

table {
  font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size: 14px;
  line-height: 1.42857143;
  color: #333;
  background-color: #fff;
}

#link {
  position: fixed;
  top: 0; right: 0;
  font-size: 12px;
  padding: 5px 10px;
  background: rgba(255,255,255,0.85);
  z-index: 5;
  box-shadow: 0 0 8px rgba(0,0,0,0.6);
}
  #link .center {
    display: block;
    text-align: center;
  }

.Query {
  position: relative;
}

.Query:hover .popover {
  left: -100%;
  width: 100%;
  display: block;
}