Bootstrap/less/tables.less

//
// Tables.less
// Tables for, you guessed it, tabular data
// ----------------------------------------


// BASE TABLES
// -----------------

table {
  max-width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
}

// BASELINE STYLES
// ---------------

.table {
  width: 100%;
  margin-bottom: @baseLineHeight;
  // Cells
  th,
  td {
    padding: 8px;
    line-height: @baseLineHeight;
    text-align: left;
    border-top: 1px solid #ddd;
  }
  th {
    font-weight: bold;
    vertical-align: bottom;
  }
  td {
    vertical-align: top;
  }
  // Remove top border from thead by default
  thead:first-child tr th,
  thead:first-child tr td {
    border-top: 0;
  }
  // Account for multiple tbody instances
  tbody + tbody {
    border-top: 2px solid #ddd;
  }
}



// CONDENSED TABLE W/ HALF PADDING
// -------------------------------

.table-condensed {
  th,
  td {
    padding: 4px 5px;
  }
}


// BORDERED VERSION
// ----------------

.table-bordered {
  border: 1px solid #ddd;
  border-collapse: separate; // Done so we can round those corners!
  *border-collapse: collapsed; // IE7 can't round corners anyway
  .border-radius(4px);
  th + th,
  td + td,
  th + td,
  td + th {
    border-left: 1px solid #ddd;
  }
  // Prevent a double border
  thead:first-child tr:first-child th,
  tbody:first-child tr:first-child th,
  tbody:first-child tr:first-child td {
    border-top: 0;
  }
  // For first th or td in the first row in the first thead or tbody
  thead:first-child tr:first-child th:first-child,
  tbody:first-child tr:first-child td:first-child {
    .border-radius(4px 0 0 0);
  }
  thead:first-child tr:first-child th:last-child,
  tbody:first-child tr:first-child td:last-child {
    .border-radius(0 4px 0 0);
  }
  // For first th or td in the first row in the first thead or tbody
  thead:last-child tr:last-child th:first-child,
  tbody:last-child tr:last-child td:first-child {
    .border-radius(0 0 0 4px);
  }
  thead:last-child tr:last-child th:last-child,
  tbody:last-child tr:last-child td:last-child {
    .border-radius(0 0 4px 0);
  }
}


// ZEBRA-STRIPING
// --------------

// Default zebra-stripe styles (alternating gray and transparent backgrounds)
.table-striped {
  tbody {
    tr:nth-child(odd) td,
    tr:nth-child(odd) th {
      background-color: #f9f9f9;
    }
  }
}



// TABLE CELL SIZING
// -----------------

// Change the columns
.tableColumns(@columnSpan: 1) {
  float: none;
  width: ((@gridColumnWidth) * @columnSpan) + (@gridGutterWidth * (@columnSpan - 1)) - 16;
  margin-left: 0;
}
table {
  .span1     { .tableColumns(1); }
  .span2     { .tableColumns(2); }
  .span3     { .tableColumns(3); }
  .span4     { .tableColumns(4); }
  .span5     { .tableColumns(5); }
  .span6     { .tableColumns(6); }
  .span7     { .tableColumns(7); }
  .span8     { .tableColumns(8); }
  .span9     { .tableColumns(9); }
  .span10    { .tableColumns(10); }
  .span11    { .tableColumns(11); }
  .span12    { .tableColumns(12); }
}