#chatt_msg div b {font-weight: bold; color:green; }
#chatt_msg div { padding: 5px; background: #fff; box-shadow: 0 1px 3px #E1E2E3; border-bottom: 1px solid #EAEAEA; }
#chatt_msg div {border-bottom: 1px solid #dddddd;padding: 4px; }