div.valueDetail.block div.feedable-page-head + div.flex {
    overflow:auto;
    height:calc(100% - 1.5em - 10px)!important;/*less cell header*/
    max-height:calc(100% - 1.5em - 10px)!important;
    width:calc(100% - 2px);
}

div.valueDetail.block div.flex {
    overflow:auto;
    height:calc(100% - 10px);/*less cell header*/
    max-height:calc(100% - 10px);
    width:calc(100% - 2px);
}