_example-panel-layout.scss

// Span 11 columns, starting at the 1st column
.panel-2col-stacked .panel-col-first {
@include breakpoint($ipad-portrait){
@include grid-span(11,1);
}
}

// Span 5 columns, starting at the 12th column
.panel-2col-stacked .panel-col-last {
@include breakpoint($ipad-portrait){
@include grid-span(5,12);
}
}