table {
    width: 100%;
    margin-bottom: 20px;
    border-collapse: collapse;
}

th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #dddddd;
}

th {
    background-color: #f2f2f2;
}

td.lecture-number {
    min-width: 80px;
}

td.title {
    min-width: 500px;
}