body {
    font-family: Arial, sans-serif;
}

#introduction {
    text-align: center;
    margin-bottom: 20px;
}

#content {
    display: flex;
    justify-content: space-between;
}

#selection {
    flex: 1;
    padding-right: 20px;
    height: calc(100vh - 320px);
    overflow-y: auto; 
}

#selection table {
    width: 100%;
    border-collapse: collapse;
}

#selection th, #selection td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

#selection th {
    background-color: #f2f2f2;
}

#selection a {
    color: blue;
    text-decoration: underline;
    cursor: pointer;
}

#display {
    border: 1px solid #ddd;
    padding: 20px;
    min-height: 200px;
}