* {
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        "Apple Color Emoji",
        "Segoe UI Emoji",
        "Segoe UI Symbol",
        sans-serif;
}

#wrapper {
    display: flex;
    justify-content: stretch;
}

#container1,
#container2 {
    flex-grow: 1;
    text-align: center;
}

table {
    min-width: 100%;
}

table td,
table th {
    line-height: 1.5em;
    padding: 0.25em 0.5em;
    vertical-align: top;
}

table thead th {
    background-color: #ddd;
}

table tbody td {
    background-color: #eee;
}

tr.highlight td {
    background-color: #def;
}

tr td.highlight {
    background-color: #bdf;
}
