/* Non-essential Styles */ 
td,th { padding:2px; text-align:center; width:75px; height:35px; background-color:gold; }

/* Essential Styles */

table       { border-collapse:collapse;       }  /* Table and cells borders */
table,td,th { border:5px solid red;         }

#t1         { border-left: 1px solid black;   }  /* Left table border       */
#t1 *.c1    { border-left: 1px solid black;   }

#t1         { border-right:2px solid black;   }  /* Right table border      */
#t1 *.c2    { border-right:2px solid black;   }

#t1 *.c1    { border-right:1px dotted black;  }  /* Interior column border  */
#t1 *.c2    { border-left: 1px dotted black;  }

#t1         { border-top: 1px solid black;    }  /* Top table border        */
#t1 *.r1 td { border-top: 1px solid black;    }

#t1         { border-bottom: 2px solid black; }  /* Bottom table border     */
#t1 *.r2 td { border-bottom: 2px solid black; }

#t1 *.r1 td { border-bottom:1px dotted black; }  /* Interior row border     */
#t1 *.r2 td { border-top:   1px dotted black; }