fix: Mobile style fixes and improvements (#1459)

* fixes #1457 – check for matchMedia function before using it

* fixes: Depth issues
closes #1458

* fixes: Long breadcrumbs cause horizontal overflow

* fix: Improve tabs and overflow on mobile

app/components/CenteredContent.js

@@ -9,6 +9,7 @@ type Props = {
 
 const Container = styled.div`
   width: 100%;
+  max-width: 100vw;
   padding: 60px 20px;
 
   ${breakpoint("tablet")`