I moded the sidebar so that it has the same background-color / border as the page-title-wrap. Having done this the sidebar required some padding so the text isn’t right up against the border. With the padding / border added I had to reduce the width to approx 29%..
The problem I’m having is that the padding makes the sidebar overlap the edge of the page when you reduce the browser size and it shifts to beneath the main content. How can this be fixed?