/** Tab backgrounds by color/image first */
table.header_square_teal {font-size:medium; color:#003366; background-color: #6A9997; }
table.header_square_teal thead tr td:FIRST-CHILD, 
table.header_square_teal thead tr td:FIRST-CHILD + td + td, 
table.header_square_teal tfoot tr, 
table.header_square_teal tfoot tr td:FIRST-CHILD, 
table.header_square_teal tfoot tr td:FIRST-CHILD + td + td {background-image: url('images/teal-corners.png'); }

table.header_square_blue {font-size:medium; color:#FFFFFF; background-color:#5498BB;}
table.header_square_blue thead tr td:FIRST-CHILD, 
table.header_square_blue thead tr td:FIRST-CHILD + td + td, 
table.header_square_blue tfoot tr, 
table.header_square_blue tfoot tr td:FIRST-CHILD, 
table.header_square_blue tfoot tr td:FIRST-CHILD + td + td {background-image: url('images/blue-corners.png');}

table.header_square_gray {font-size:medium; color:#FFFFFF; background-color:#999999; }
table.header_square_gray thead tr td:FIRST-CHILD, 
table.header_square_gray thead tr td:FIRST-CHILD + td + td, 
table.header_square_gray tfoot tr, 
table.header_square_gray tfoot tr td:FIRST-CHILD, 
table.header_square_gray tfoot tr td:FIRST-CHILD + td + td {background-image: url('images/gray-corners.png');}

table.header_square_green {font-size:medium; color:#FFFFFF; background-color:#679966; }
table.header_square_green thead tr td:FIRST-CHILD, 
table.header_square_green thead tr td:FIRST-CHILD + td + td, 
table.header_square_green tfoot tr, 
table.header_square_green tfoot tr td:FIRST-CHILD, 
table.header_square_green tfoot tr td:FIRST-CHILD + td + td {background-image: url('images/green-corners.png');}

table.header_square_purple {font-size:medium; color:#FFFFFF; background-color: #8889D9; }
table.header_square_purple thead tr td:FIRST-CHILD, 
table.header_square_purple thead tr td:FIRST-CHILD + td + td, 
table.header_square_purple tfoot tr, 
table.header_square_purple tfoot tr td:FIRST-CHILD, 
table.header_square_purple tfoot tr td:FIRST-CHILD + td + td {background-image: url('images/purple-corners.png');}

table.header_square_tan {font-size:medium; color:#FFFFFF; background-color:#CB9869; }
table.header_square_tan thead tr td:FIRST-CHILD, 
table.header_square_tan thead tr td:FIRST-CHILD + td + td, 
table.header_square_tan tfoot tr, 
table.header_square_tan tfoot tr td:FIRST-CHILD, 
table.header_square_tan tfoot tr td:FIRST-CHILD + td + td {background-image: url('images/tan-corners.png');}

/** Tab backgrounds structure,keep last */
table.header_tab, table.header_oval { border:none; border-spacing: 0em; empty-cells: show;}
table.header_tab thead tr, table.header_oval thead tr, table.header_oval tfoot tr {height:7px;}
table.header_tab thead tr td:FIRST-CHILD, table.header_oval thead tr td:FIRST-CHILD {background-position: top left; background-repeat:no-repeat; width:7px; height:7px;}
table.header_tab thead tr td:FIRST-CHILD + td + td, table.header_oval thead tr td:FIRST-CHILD + td + td {background-position: top right; background-repeat:no-repeat; width:7px; height:7px;}

table.header_tab tfoot tr {background-position: 0px -7px; background-repeat:repeat-x; height:3px; }
table.header_tab tfoot tr td {background-position: 0px -7px; background-repeat:repeat-x; height:3px; }

table.header_oval tfoot tr {background-image: none;}
table.header_oval tfoot tr td:FIRST-CHILD {background-position: bottom left; background-repeat:no-repeat; }
table.header_oval tfoot tr td:FIRST-CHILD + td + td {background-position: bottom right; background-repeat:no-repeat; }