a.ksutab-feedback,
a.ksutab-feedback:visited,
a.ksutab-feedback:active {
  font-size: 1.5rem;
  position: fixed;
  bottom: 0;
  right: 20px;
  z-index: 40;
  padding: 7px 23px;
  background-color: #FDB515;
  border: 2px solid #FDB515;
  text-decoration: none;
  color: #000;
}
a.ksutab-feedback:hover {
  border-top: 2px solid #000;
  border-left: 2px solid #000;
  border-right: 2px solid #000;
  text-decoration: none;
}