.ui-tooltip { 
  font-family: inherit;
  padding: .7em 1em;
  position: absolute;
  z-index: 9999;
  max-width: 170px;
  background: white;
  font-size: .8em;
  border-radius: 3px;
  box-shadow: 0 0 .5em rgba(0,0,0,.5)
}