.dom_left{
    float: left;
}

#chat_window .box_area .chat_lingyin_i {
    background: url("/static/weba/htmlimg/lingyin.png");
    background-size: 100%;
}

#chat_window .box_area .chat_weixin_i {
    background: url("/static/weba/htmlimg/weixin.png");
    background-size: 100%;
}

#chat_window .box_area .chat_facebook_i {
    background: url("/static/weba/htmlimg/facebook.png");
    background-size: 100%;
}

#chat_window .box_area .chat_whatsappp_i {
    background: url("/static/weba/htmlimg/whatsapp.png");
    background-size: 100%;
}

#chat_window .box_area .chat_twitter_i {
    background: url("/static/weba/htmlimg/twitter.png");
    background-size: 100%;
}

.logo_img {
    height: 80px;
}