#main_chat {
	position: fixed;
	height: 75%;
    min-height: 250px;
	/*height: calc(100% - 195px);*/
	z-index: 9999;
	width: 500px;
	/*top: 195px;*/
	right: 15px;
    bottom: 15px;
	overflow: hidden;
	border: 0px solid #DEE2E6;
    border-radius: 10px;
	visibility: visible;
    box-shadow: 0 .5rem 1rem rgba(0,0,0,.15)!important;
}

.webchat_icon > img {
	width: 60px;
	height: 60px;
	bottom: 30px;
	right: 30px;
	position: fixed;
	cursor: pointer;
    z-index: 1050;
}

#main_chat.fullscreen {
  width: 98%;
  height: 98%;
  left: 0px;
  right: 0px;
  bottom: 0px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {
  #main_chat {
    width: 98%;
    height: 98%;
    left: 0px;
    right: 0px;
    bottom: 0px;
    margin-left: auto;
    margin-right: auto;
  }
}