.diffDelete{background-color:rgba(255,0,0,.2);text-decoration:line-through;opacity:.7}.dark .diffDelete{background-color:rgba(255,100,100,.15)}.diffInsert{background-color:rgba(0,255,0,.2);margin-left:4px;padding:1px 4px;border-radius:2px}.dark .diffInsert{background-color:rgba(100,255,100,.15)}