body{background:#c0c0c0;color:#000;}
.topbar{background:linear-gradient(#2b579a,#1e3f73);color:#fff;border-bottom:2px solid #102746;}
.box{background:#e6e6e6;}
.btn{background: linear-gradient(#0d45d4, #1d40c9);}
#chat-log{background:#fff;}