ul#adminmenu a.wp-has-current-submenu:after,
ul#adminmenu>li.current>a.current:after {
    border-right-color: transparent;
}

#wpcontent {
    padding-left: 0;
}

#wpbody-content {
    padding-bottom: 0;
}

#wpbody-content .notice {
    display: none!important;
}

#wpfooter {
    display: none;
}

#emailking-app-frame {
    display: block;
    border: none;
    width: 100%;
    height: calc(100vh - 320px);
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -o-box-sizing: border-box;
    border-top: 1px solid #444;
    border-left: 1px solid #444;
}