.improved-schedule-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1em;
    font-size: 14px;
}

.improved-schedule-table th,
.improved-schedule-table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: center;
}

.improved-schedule-table thead th {
    background-color: #f2f2f2;
    font-weight: bold;
}

.improved-schedule-table tbody th {
    background-color: #f9f9f9;
    font-weight: normal;
    text-align: left;
}

.improved-schedule-table tr:nth-child(3n+1) {
    border-top: 2px solid #333;
}

.improved-schedule-table tr:hover {
    background-color: #f5f5f5;
}

@media screen and (max-width: 600px) {
    .improved-schedule-table {
        font-size: 12px;
    }
    
    .improved-schedule-table th,
    .improved-schedule-table td {
        padding: 5px;
    }
}