body {
    font-family: 'Arial', sans-serif;
    background: #f4f4f4;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: auto;
    background: #fff;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.list-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.list-box {
    margin: 0 10px;
}

select {
    width: 150px; /* Adjust as necessary */
    height: 200px;
    overflow-y: auto;
}

.buttons {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

button {
    margin: 5px;
}