body {
    /* font-family: Arial, sans-serif; */
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    font-size:1.3em;
}

nav {
    width: 100%;
    display: flex;
    justify-content: flex-end; /* moves navbar to right */
    padding: 0.625em 1.25em;
    position: fixed;
    top: 0;
    right: 0;
    background: white;
    z-index: 1000;
    font-size: 1.1em;
}

main {
    margin-top: 2em;
    max-width: 100%;
}

#visualization-container {
    max-width: 95%;
    width: 90vw;
    margin: auto; /* center it */
    display: flex;
    justify-content: center;
    overflow-x: auto; /* allow horizontal scrolling if needed */
}

#visualization-container {
    margin-top: 1em;
    margin-bottom: 2em;
}