// Coluna do grid
///
/// @param {number} columns
/// @param {number} push
/// @param {string} fold [left]
///
x-column(columns = columns, push = push, fold = left)
  display: inline
  float: fold
  width: x-gridsystem-width(columns)
  padding-left: padding-width
  padding-right: padding-width
  if fold == left
    margin-left: x-gridsystem-width(push)
  if fold == right
    margin-right: x-gridsystem-width(push)