.tabheader table {
  border-collapse: collapse; /* for IE */
  border-spacing: 0; /* for N6 */
}

.tabheader table tr td {margin:0;padding:0;border-width:0;font-size:10px;}

.tabheader .close {
  border-style: solid;
  border-width: 1px;
  border-color: #000;
  background-color: #d0d0d0;
  margin:0;
  padding: 0.5em;
  white-space: nowrap;
}
.tabheader .open {
  border-style: solid;
  border-width: 1px; 
  border-color: #000 #000 #fff #000;
  background-color: white;
  margin:0;
  padding: 0.5em;
  white-space: nowrap;
}
.tabheader .spc {
  border-style: solid;
  border-width: 1px 0 1px 0; 
  border-color: #fff #fff #000 #fff;
  margin:0;
  padding: 0.5em;
  white-space: nowrap;
}

.tabheader a {text-decoration: none;}
.tabbody {
  border-color: black;
  border-style: solid;
  border-width: 0 1px 1px 1px;
  padding: 1em;
}