twbs--bootstrap/less/grid.less

//
// Grid system
// --------------------------------------------------


// Set the container width, and override it for fixed navbars in media queries
.container {
  .container-fixed();
}

// Mobile-first defaults
.row {
  .make-row();
}

// Common styles for small and large grid columns
.col-1,
.col-2,
.col-3,
.col-4,
.col-5,
.col-6,
.col-7,
.col-8,
.col-9,
.col-10,
.col-11,
.col-lg-1,
.col-lg-2,
.col-lg-3,
.col-lg-4,
.col-lg-5,
.col-lg-6,
.col-lg-7,
.col-lg-8,
.col-lg-9,
.col-lg-10,
.col-lg-11 {
  position: relative;
  // Float and set width: 100%; for easy stacking on mobile devices
  float: left;
  width: 100%;
  // Prevent columns from collapsing when empty
  min-height: 1px;
  // Inner gutter via padding
  padding-left:  (@grid-gutter-width / 2);
  padding-right: (@grid-gutter-width / 2);
}

// Grid column sizing

// Small columns (phones and up)
.col-1  { width: (1 / @grid-columns); }
.col-2  { width: (2 / @grid-columns); }
.col-3  { width: (3 / @grid-columns); }
.col-4  { width: (4 / @grid-columns); }
.col-5  { width: (5 / @grid-columns); }
.col-6  { width: (6 / @grid-columns); }
.col-7  { width: (7 / @grid-columns); }
.col-8  { width: (8 / @grid-columns); }
.col-9  { width: (9 / @grid-columns); }
.col-10 { width: (10/ @grid-columns); }
.col-11 { width: (11/ @grid-columns); }

// Medium columns (tablets and up)
@media (min-width: @screen-tablet) {
  .col-md-1  { width: (1 / @grid-columns); }
  .col-md-2  { width: (2 / @grid-columns); }
  .col-md-3  { width: (3 / @grid-columns); }
  .col-md-4  { width: (4 / @grid-columns); }
  .col-md-5  { width: (5 / @grid-columns); }
  .col-md-6  { width: (6 / @grid-columns); }
  .col-md-7  { width: (7 / @grid-columns); }
  .col-md-8  { width: (8 / @grid-columns); }
  .col-md-9  { width: (9 / @grid-columns); }
  .col-md-10 { width: (10/ @grid-columns); }
  .col-md-11 { width: (11/ @grid-columns); }
}

@media (min-width: @screen-desktop) {
  // Large columns (desktop and up)
  .col-lg-1  { width: percentage(1 / @grid-columns); }
  .col-lg-2  { width: percentage(2 / @grid-columns); }
  .col-lg-3  { width: percentage(3 / @grid-columns); }
  .col-lg-4  { width: percentage(4 / @grid-columns); }
  .col-lg-5  { width: percentage(5 / @grid-columns); }
  .col-lg-6  { width: percentage(6 / @grid-columns); }
  .col-lg-7  { width: percentage(7 / @grid-columns); }
  .col-lg-8  { width: percentage(8 / @grid-columns); }
  .col-lg-9  { width: percentage(9 / @grid-columns); }
  .col-lg-10 { width: percentage(10/ @grid-columns); }
  .col-lg-11 { width: percentage(11/ @grid-columns); }

  // Offsets
  .col-offset-1  { margin-left: percentage(1 / @grid-columns); }
  .col-offset-2  { margin-left: percentage(2 / @grid-columns); }
  .col-offset-3  { margin-left: percentage(3 / @grid-columns); }
  .col-offset-4  { margin-left: percentage(4 / @grid-columns); }
  .col-offset-5  { margin-left: percentage(5 / @grid-columns); }
  .col-offset-6  { margin-left: percentage(6 / @grid-columns); }
  .col-offset-7  { margin-left: percentage(7 / @grid-columns); }
  .col-offset-8  { margin-left: percentage(8 / @grid-columns); }
  .col-offset-9  { margin-left: percentage(9 / @grid-columns); }
  .col-offset-10 { margin-left: percentage(10/ @grid-columns); }
  .col-offset-11 { margin-left: percentage(11/ @grid-columns); }

  // Push and pull columns for source order changes
  .col-push-1  { left: percentage(1 / @grid-columns); }
  .col-push-2  { left: percentage(2 / @grid-columns); }
  .col-push-3  { left: percentage(3 / @grid-columns); }
  .col-push-4  { left: percentage(4 / @grid-columns); }
  .col-push-5  { left: percentage(5 / @grid-columns); }
  .col-push-6  { left: percentage(6 / @grid-columns); }
  .col-push-7  { left: percentage(7 / @grid-columns); }
  .col-push-8  { left: percentage(8 / @grid-columns); }
  .col-push-9  { left: percentage(9 / @grid-columns); }
  .col-push-10 { left: percentage(10/ @grid-columns); }
  .col-push-11 { left: percentage(11/ @grid-columns); }

  .col-pull-1  { right: percentage(1 / @grid-columns); }
  .col-pull-2  { right: percentage(2 / @grid-columns); }
  .col-pull-3  { right: percentage(3 / @grid-columns); }
  .col-pull-4  { right: percentage(4 / @grid-columns); }
  .col-pull-5  { right: percentage(5 / @grid-columns); }
  .col-pull-6  { right: percentage(6 / @grid-columns); }
  .col-pull-7  { right: percentage(7 / @grid-columns); }
  .col-pull-8  { right: percentage(8 / @grid-columns); }
  .col-pull-9  { right: percentage(9 / @grid-columns); }
  .col-pull-10 { right: percentage(10/ @grid-columns); }
  .col-pull-11 { right: percentage(11/ @grid-columns); }
}

// Responsive: Tablets and up
@media screen and (min-width: @screen-tablet) {
  .container {
    max-width: @container-tablet;
  }
}

// Responsive: Desktops and up
@media screen and (min-width: @screen-desktop) {
  .container {
    max-width: @container-desktop;
  }
}

// Responsive: Large desktops and up
@media screen and (min-width: @screen-large-desktop) {
  .container {
    max-width: @container-large-desktop;
  }
}