#chatting_container .chatlist_container {
    width: 300px;
    height: 100%;
    border-right: 1px solid #CCCCCC;
    float: left;
    position: relative;
}

#chatting_container .chatarea_container {
	display: block;
    height: 100%;
    border-left: 0;
    margin: 0 0 0 300px;
    position: relative;
    min-width: 400px;
}

.chatsend_content .messagebox{    
	position: absolute;
    right: 0;
    left: 0;
    margin-left: 15px;
    margin-right: 140px;
}
.chatsend_content button {
    height: 32px;
    border: 1px solid #ccc;
    width: 100px;
    background-color: #859db1;
    color: #fff;
}