.sortable {
  width: 90%;
  margin-left: 5%;
  border: 1px solid black;
  border-collapse: collapse;
  padding: 0;
}

.sortable thead tr { 
  background-color: black;
  color: #f7fffe;
  border: 1px solid black;
  border-bottom: none;
}

.sortable thead th { 
  text-align: left;
  border-right: 1px solid #f7fffe;
  padding-left: 4px;
}

.sortable thead a, .sortable thead a:visited { 
  color: #f7fffe;
  text-decoration: none;
}

.sortable thead a:hover, .sortable thead a:active { 
  color: red;
  text-decoration: underline;
}

tr.odd { 
  background-color: #d8ddd7;
}

tr.even { 
  background-color: #ebf9e8;
}

input[type='button'] { 
  color: blue;
  background-color: #ebf9e8;
  -moz-border-radius: 0.5em;
}
input[type='button']:hover { 
  color: red;
}