body {
  background-color: whitesmoke;
}

table.datatable { 
  border: thin solid; 
  border-collapse: collapse;
}


table.datatable th, td { 
  border: thin solid; 
  border-collapse: collapse;
  padding: 5px;
}


table.datatable tbody tr:nth-child(odd) {
  background-color: #ffffff;
}



table.formtable { 
  border: thin solid; 
  border-collapse: collapse;
}


table.formtable th, td { 
  border: thin solid; 
  border-collapse: collapse;
  padding: 5px;
}



ul.mainmenu {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333333;
}


ul.mainmenu li {
  float: left;
}

ul.mainmenu li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

ul.mainmenu li a:hover {
  background-color: #111111;
}