html {
  overflow-y: scroll;
}

#headerImage {
  width: 100%;
  float: none;
  margin: 0;
}

#chatFooter {
  font-size: 6pt;
  margin: 5% 0 0 5%;
  width: 90%;
}

#chatHeader {
  text-align: center;
}

#chatHeader #imgHeader {
  max-width: 120px;
  margin: auto;
  display: block;
}