#message{width:500px;padding:10px;margin:10px 0;border:1px solid #ccc;border-radius:5px;font-size:1em}#send-button{padding:10px;margin:10px 0;border:1px solid #ccc;border-radius:5px;font-size:1em;background-color:#f0f0f0;cursor:pointer}#send-button:hover{background-color:#e0e0e0}#message-list{list-style-type:none;padding:0;margin:0}.message{font-size:1em;color:#333;list-style-type:none;padding:2px 10px}