Template:Nav/styles.css

.navtable {
   border: 1px solid rgb(132,174,236);
   padding: 5px;
   border-radius: 11px;
   border-spacing: 0;
   width: 100%; 
   max-width: 1024px;  
   margin: 15px auto 40px auto;
   font-weight: bold;
   line-height: 1.3em;
   text-align: center;
   background: linear-gradient(45deg, #4b0082, #8b008b, #4b0082) ;
}

.navtable td {
  padding: 5px;
  border-right-width: 1px;
  border-right-style: solid;
  border-right-color: #84AEEC;
}

.navtable td.last {
  border-right: 0;
}