.stack-layout {
 background-color: yellow;
}

.flexRowContent {
  padding: 0;
  margin:0;
}

.content-main {
  background-color: red;
}

.flexCol--stack {
  padding-left: 40px;
}

.flexCol--right-col  {
  padding-right: 40px;
}

.stretchChildrenWidth {
  width:0;
}