body {
  font-size: 100%;
}
@media (max-width: 575.98px) {
  h1,
  .h1 {
    font-size: 30px!important;
    margin: 15px 0px;
  }
  h2,
  .h2 {
    font-size: 22px!important;
    margin: 10px 0px;
  }
  h3,
  .h3 {
    font-size: 18px!important;
  }
  h4,
  .h4 {
    font-size: 14px!important;
  }
  .chat-manager #collapseChats {
    max-height: 150px;
  }
}
@media (max-width: 991.98px) {
  /* body#login{   
	    	// .centered { margin-top: 15%; }
	    } */
}
@media (max-width: 1199.98px) {
  /* body#login{   
	    	//.centered { margin-top: 5%; }
	    } */
}
@media (min-width: 1200px) {
  body#login .centered {
    margin-top: 8%;
  }
}