#page-content > .frame {
    display: none !important;
}
#c286 {
    display: none !important;
}
.backendlayout-2_columns_25_75 .subcontent-wrap {
    display: none !important;
}
.backendlayout-2_columns_25_75 .maincontent-wrap {
    width: 100% !important;
}