tpotce/installer/usr/share/nginx/html/style.css

.btn {
  -webkit-border-radius: 0;
  -moz-border-radius: 0;
  border-radius: 0px;
  font-family: Arial;
  color: #ffffff;
  font-size: 12px;
  background: #E20074;
  padding: 2px 30px 2px 30px;
  text-decoration: none;
}

.btn:hover {
  background: #c2c2c2;
  text-decoration: none;
}