@import "vars";

.mdo-drawer {
  max-width: 280px;
  padding: $padding;
  background: $alternateBackground;
  border-right: $alternateBackgroundAccent solid 1px;
}

@import "vars";

.mdo-drawer {
  max-width: 280px;
  padding: $padding;
  border-right: $alternateBackgroundAccent solid 1px;

  &:last-child{
    border-right: none;
    border-left: $alternateBackgroundAccent solid 1px;
  }
}

Update modern theme: drawer styling
Update modern theme: drawer styling
