.message_time {
	float: left;
	padding-right: 3px;
}
/*
.message_time:before {
	content: '(';
}
.message_time:after {
	content: ') ';
}
*/
.message_sender {
	padding-right: 4px;
}

.chat_message.staff .message_sender {
color: red;
}

.chat_message.customer .message_sender {
color: blue;
}