function _getOuterSize(gridSize, sizeScreen) {
  if ('lg' === sizeScreen) {
    if (gridSize && gridSize.lg) {
      return gridSize.lg;
    }
    else if (gridSize && gridSize.md) {
      return gridSize.md;
    }
    else if (gridSize && gridSize.sm) {
      return gridSize.sm;
    }
    else if (gridSize && gridSize.xs) {
      return gridSize.xs;
    }
  }
  else if ('md' === sizeScreen) {
    if (gridSize && gridSize.md) {
      return gridSize.md;
    }
    else if (gridSize && gridSize.sm) {
      return gridSize.sm;
    }
    else if (gridSize && gridSize.xs) {
      return gridSize.xs;
    }
  }
  else if ('sm' === sizeScreen) {
    if (gridSize && gridSize.sm) {
      return gridSize.sm;
    }
    else if (gridSize && gridSize.xs) {
      return gridSize.xs;
    }
  }
  else if ('xs' === sizeScreen) {
    if (gridSize && gridSize.xs) {
      return gridSize.xs;
    }
  }
  // default
  return grid;
}
function _getOuterSize(gridSize, sizeScreen) {
  if ('lg' === sizeScreen) {
    if (gridSize && gridSize.lg) {
      return gridSize.lg;
    }
    else if (gridSize && gridSize.md) {
      return gridSize.md;
    }
    else if (gridSize && gridSize.sm) {
      return gridSize.sm;
    }
    else if (gridSize && gridSize.xs) {
      return gridSize.xs;
    }
  }
  else if ('md' === sizeScreen) {
    if (gridSize && gridSize.md) {
      return gridSize.md;
    }
    else if (gridSize && gridSize.sm) {
      return gridSize.sm;
    }
    else if (gridSize && gridSize.xs) {
      return gridSize.xs;
    }
  }
  else if ('sm' === sizeScreen) {
    if (gridSize && gridSize.sm) {
      return gridSize.sm;
    }
    else if (gridSize && gridSize.xs) {
      return gridSize.xs;
    }
  }
  else if ('xs' === sizeScreen) {
    if (gridSize && gridSize.xs) {
      return gridSize.xs;
    }
  }
  
  return grid;
}
function _getOuterSize ( gridSize , sizeScreen ) { if ( 'lg' === sizeScreen ) { if ( gridSize && gridSize . lg ) { return gridSize . lg ; } else if ( gridSize && gridSize . md ) { return gridSize . md ; } else if ( gridSize && gridSize . sm ) { return gridSize . sm ; } else if ( gridSize && gridSize . xs ) { return gridSize . xs ; } } else if ( 'md' === sizeScreen ) { if ( gridSize && gridSize . md ) { return gridSize . md ; } else if ( gridSize && gridSize . sm ) { return gridSize . sm ; } else if ( gridSize && gridSize . xs ) { return gridSize . xs ; } } else if ( 'sm' === sizeScreen ) { if ( gridSize && gridSize . sm ) { return gridSize . sm ; } else if ( gridSize && gridSize . xs ) { return gridSize . xs ; } } else if ( 'xs' === sizeScreen ) { if ( gridSize && gridSize . xs ) { return gridSize . xs ; } } // default return grid ; }
determine size of outer element
determine size of outer element