.chat header{display:flex;justify-content:space-between;align-items:baseline}#messages{height:50vh;margin:0;padding:0;overflow-y:auto;list-style:none}#messages li{margin-bottom:.75rem}#messages li p{margin:0;overflow-wrap:anywhere}#messages time{font-size:.8em;opacity:.7}#messages .empty{opacity:.7;text-align:center}#chat-form fieldset{margin-bottom:0}