body {
background-color: #ffffff;
}
ul {
    width: 80%;
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #ccc;
    margin-left: auto;
    margin-right: auto;
}

li {
    float: left;
    border-right: 1px solid #FDFEFE;
}

li:last-child {
    border-right: none;
}

li a, .dropbtn {
    display: inline-block;
    color: darkblue;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

li a:hover, .dropdown:hover .dropbtn {
    background-color: dodgerblue;
}

li.dropdown {
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f1f1f1;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
}

.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
}

.dropdown-content a:hover {background-color: #f1f1f1}

.dropdown:hover .dropdown-content {
    display: block;
}
.active {
    background-color: indigo;
}
table { 
  width: 80%; 
  border-collapse: collapse; 
}
/* Zebra striping */
tr:nth-of-type(odd) { 
  background: #f1f1f1; 
}
th { 
  background: blue;
  color: white;
  font-weight: bold;
}
td { 
  padding: 6px; 
  border: 1px solid #ccc; 
  color: black;
}
td.tleft{
      text-align: left; 
}
td.tright{
      text-align: right; 
}
td.tcenter{
      text-align: center; 
}