Rounded triangular boxes in CSS/SVG

In the Motorway brand refresh , I had to build a lot of rounded rectangular & triangular shapes (I don&rsquo;t know what they&rsquo;re officially called), and got quite good and understanding the pro&rsquo;s and con&rsquo;s of each approach. Depending on your use-case, there&rsquo;s a few possible options available to you. The filled box The &lsquo;simpler&rsquo; use-case is the filled box.…