Fixed width, 12 column, bootstrap-esque grid. Just set a few configurations... 'area-width' -- total width to fill, 'max-col' -- number of columns in grid, and 'spacing' -- spacing in between columns..., then just use class="grid", class="row", class="col1", "col2", etc. http://grab.by/kgds

gistfile1.txt

.inline
{
  display:inline-block;
	zoom:1;
	*display:inline;
}

@area-width: 758px;
@max-col: 12;
@spacing: 26px;
@col-width: ((@area-width - (@spacing * (@max-col - 1))) / @max-col);
@padding: @spacing / 2;
@width-multiplier: @col-width + @spacing;

.col (@num_of_cols){
    padding:0 @padding 0 @padding;
    .inline;
    position:relative;
    zoom: 1;
    vertical-align:top;
    font-size:12px;
	width:@width-multiplier * @num_of_cols - @spacing;
	*width:@width-multiplier * @num_of_cols - @spacing;
	min-width:@width-multiplier * @num_of_cols - @spacing;
	*min-width:@width-multiplier * @num_of_cols - @spacing;
}

.grid
 {
 	position:relative;
 	zoom:1;
 	vertical-align:top;
 	font-size:0;
      .col_1
      {
          .col(1);
      }
      .col_2
      {
          .col(2);

      }
      .col_3
      {
          .col(3);
      }
      .col_4
      {
         .col(4);
      }
      .col_5
      {
         .col(5);
      }
      .col_6
      {
          .col(6);
      }
      .col_7
      {
         .col(7);
      }
      .col_8
      {
         .col(8);
      }
      .col_9
      {
          .col(9);
      }
      .col_10
      {
          .col(10);
      }
      .col_11
      {
          .col(11);
      }
      .col_12
      {
          .col(12);
      }
 }

/*common*/

.aftercol {
    content: '.';
    visibility: hidden;
}

.row > div:first-child {
    padding-left: 0px;
}
.row > div:last-child {
    padding-right: 0px;
}
.col_1:after
{
    .aftercol;
}
.col_2:after
{
    .aftercol;
}
.col_3:after
{
    .aftercol;
}
.col_4:after
{
    .aftercol;
}
.col_5:after
{
    .aftercol;
}
.col_6:after
{
    .aftercol;
}
.col_7:after
{
    .aftercol;
}
.col_8:after
{
    .aftercol;
}
.col_9:after
{
    .aftercol;
}
.col_10:after
{
    .aftercol;
}
.col_11:after
{
    .aftercol;
}
.col_12:after
{
    .aftercol;
}