如何在单元格的一侧应用粗边框

I wanted to know how to apply say a thick right border to all selected cells on Excel, preferably using a shortcut. I tried recording a macro and then applying a thick border and erasing the top, bottom and left cells, but that just meant only the top cell had the right border, and the rest of the selection had left and right borders.I wanted to know how to apply say a thick right