#user_feedback_list .feedback {
    margin: 10px;
    border: 1px solid gray;
}

#user_feedback_list .feedback .user {
    float: left;
    font-weight: bold;
}

#user_feedback_list .feedback .when {
    float: right;
}

#user_feedback_list .feedback .useragent {
    clear: both;
}

#user_feedback_list .feedback .message {
    margin-top: 15px;
}