.panel-1col {
    /*  overflow: hidden;  */
}

.panel-2col .panel-col-first .inside {
    margin: 0;
}

.panel-1col .panel-col {
    width: 100%;
}

#panels-edit-display .panel-pane,
#panels-edit-display .helperclass {
    margin: .5em;
}

.panel-2col .panel-separator {
    margin: 0 0 1em 0;
}