agile-alliance-brazil/submissions

$ninesixty_gutter_width: 20px !default;
$ninesixty_grid_width: 960px !default;
$ninesixty_columns: 12 !default;

@mixin grid-container {
  margin-left: auto;
  margin-right: auto;
  width: $ninesixty_grid_width; }

@mixin grid-width($n, $cols: $ninesixty_columns, $gutter_width: $ninesixty_gutter_width) {
  width: $ninesixty_grid_width / $cols * $n - $gutter_width; }

@mixin grid-width-with-border($n, $border, $cols: $ninesixty_columns, $gutter_width: $ninesixty_gutter_width) {
  @include grid-width($n, $cols, $gutter_width + $border); }

@mixin grid-unit-base($gutter_width: $ninesixty_gutter_width) {
  display: inline;
  float: left;
  margin: {
    left: $gutter_width / 2;
    right: $gutter_width / 2; }; }

@mixin grid($n, $cols: $ninesixty_columns, $gutter_width: $ninesixty_gutter_width) {
  @include grid-unit-base($gutter_width);
  @include grid-width($n, $cols, $gutter_width); }

@mixin alpha {
  margin-left: 0; }

@mixin omega {
  margin-right: 0; }

@mixin grids($cols: $ninesixty_columns, $gutter_width: $ninesixty_gutter_width) {
  @for $n from 1 through $cols {
    .grid_#{$n} {
      @include grid-unit-base($gutter_width);
      @include grid-width($n, $cols, $gutter_width); } } }

@mixin grid-prefix($n, $cols: $ninesixty_columns) {
  padding-left: $ninesixty_grid_width / $cols * $n; }

@mixin grid-prefixes($cols: $ninesixty_columns) {
  @for $n from 1 through $cols - 1 {
    .prefix_#{$n} {
      @include grid-prefix($n, $cols); } } }

@mixin grid-suffix($n, $cols: $ninesixty_columns) {
  padding-right: $ninesixty_grid_width / $cols * $n; }

@mixin grid-suffixes($cols: $ninesixty_columns) {
  @for $n from 1 through $cols - 1 {
    .suffix_#{$n} {
      @include grid-suffix($n, $cols); } } }

@mixin grid-children {
  .alpha {
    @include alpha; }
  .omega {
    @include omega; } }

@mixin grid-system($cols: $ninesixty_columns) {
  @include grid-container;
  @include grids($cols);
  @include grid-prefixes($cols);
  @include grid-suffixes($cols);
  @include grid-children; }