html {
  height: 100%;
  overflow: hidden;
}
#Visichat {
  height: 100%;
  font-family:"Lucida Sans Unicode", "Lucida Grande", sans-serif;
  font-size:12px;
  text-align:center;
}
/* end hide */
body {
  height: 100%;
  margin: 0;
  padding: 0;
}