/home/blackyak/www/wordpress/wp-content/themes/travivu/assets/sass/bootstrap/mixins/_container.scss
// Container mixins

@mixin make-container($gutter: $container-padding-x) {
  width: 100%;
  // padding-right: var(--#{$variable-prefix}gutter-x, #{$gutter});
  // padding-left: var(--#{$variable-prefix}gutter-x, #{$gutter});
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}
Path: home/blackyak/www/wordpress/wp-content/themes/travivu/assets/sass/bootstrap/mixins