.courseDes { font-family: Arial, Helvetica, sans-serif; border-collapse: collapse; width: 100%; }
.courseDes td, .courseDes th { border: 0px solid #ddd; padding: 8px; }
.courseDes tr:nth-child(even){background-color: #D8D8D8;}
.courseDes tr:hover {background-color: #ddd;}
.courseDes th {margin: auto; float:auto; padding-top: 12px; padding-bottom: 12px; text-align: center; background-color: #4198DD; color: white; }