body {
    font-family: 'Arial', sans-serif;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

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

td {
    padding: 12px;
    text-align: center;
    border: 1px solid #ddd;
}

.header-cell {
    background-color: #f5f5f5;
    font-weight: bold;
}

.active-day {
    background-color: #90EE90;
}

select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button, .edit-link {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

button:hover, .edit-link:hover {
    background-color: #45a049;
}

.spacer {
    height: 20px;
}