body {
    font-family: Arial, sans-serif;
    direction: rtl;
    text-align: center;
    background-color: #f5f5f5;
}

h3 {
    color: darkblue;
    margin-bottom: 20px;
}

.schedule {
    display: flex;
    flex-direction: column;
    width: 80%;
    margin: auto;
    border: 2px solid black;
    border-radius: 10px;
    overflow: hidden;
}


.row {
    display: flex;
    flex-direction: row;
}


.cell {
    flex: 1;
    padding: 10px;
    border: 1px solid black;
    text-align: center;
}

.header {
    background-color: darkblue;
    color: white;
    font-weight: bold;
}

.highlight {
    background-color: lightblue;
    color: darkred;
}