[SA-647] Updates to messages table styles.
[SA-647] Updates to messages table styles.

xnejp03/assets-frontend,alexanderjamesking/assets-frontend,xnejp03/assets-frontend,hmrc/assets-frontend,alexanderjamesking/assets-frontend,xnejp03/assets-frontend,hmrc/assets-frontend,tmikus/assets-frontend,tmikus/assets-frontend,alexanderjamesking/assets-frontend,tmikus/assets-frontend,hmrc/assets-frontend