.message{border-radius:35px;margin:0 15px 10px;padding:15px 20px;position:relative;font-weight:700}.message.to{background-color:#2095fe;color:#fff;margin-left:10%;text-align:right}.message.from{background-color:#e5e4e9;color:#363636;margin-right:10%;width:inherit}.message.from table img{display:block;margin-left:auto;margin-right:auto}.message.selection{background-color:#3f3f3f;color:#fff;margin-left:10%;text-align:right}.message.from+.message.from,.message.selection+.message.selection,.message.to+.message.to{margin-top:-10px}img{display:block;border-radius:8%}.inline{display:inline}img.small{max-width:10rem;max-height:15rem}img.medium{max-width:25rem}body,html{height:100%;margin:0;padding:0  /* to avoid scrollbars */}#wrapper{max-height:100vh}#header{position:fixed;top:0;z-index:100;background-color:#fff;width:100%;border-bottom:.5px;box-shadow:0 .5px 1px -1px gray}#chatMessages{position:relative;padding-top:65px;padding-bottom:250px;height:calc(100vh-65px-250px);overflow-y:auto}#user-input{position:fixed;bottom:0;width:100%;max-height:250px;padding:10px 10px 0 10px;background-color:#fff;-ms-flex-line-pack:top;align-content:top}#user-input,#user-input button{margin-left:auto;margin-right:auto}#user-input button{display:block;width:90%}