body{
 text-align: center;
 padding:0;
 margin:0;
 background:#E7E7E7;
 color: #000000;
}

table {
 width: 100%;
}
tr {
   font-size: 13px;
}

h1 {
   font-size: 20px;
   text-transform: uppercase;
   text-indent: 5px;
}

.header_tab {
   color: White;
   background-color: #000088;
   font-variant: small-caps;
   font-size: 80%;
}


.principal {
         margin: auto;
         text-align: left;
         height:100%;
         min-height:100%;
         margin-bottom:-20px;
         color: #000000;
         width:800px;
         background:#fff;
         border-left: 1px solid #006666;
         border-right: 1px solid #006666;
}