@media (max-width: 480px) {
    tr td:nth-child(2) {
        display: none;
        visibility: hidden;
    }

    tr th:nth-child(2) {
        display: none;
        visibility: hidden;
    }

    tr td:nth-child(3) {
        display: none;
        visibility: hidden;
    }

    tr th:nth-child(3) {
        display: none;
        visibility: hidden;
    }
}

body {
    background: #fff;
    color: #555555;
    text-align: left;
    font-size: 13px;
    font-family: Noto, "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    min-height: 100%;
}

table {
    width: 100%;
}

table th {
    text-align: left;
}

table th hr {
    height: 1px;
    border: 0;
}

table td {
    text-align: left;
    border-top: 1px dotted #ccc;
    padding: 4px 0;
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a4063;
    }

    div {
        color: #f4f6f8;
        background-color: #002b49;
    }

    a:link, a:visited {
        color: #0098d5;
    }
}

#protocols-table td {
    padding-left: 20px;
}

#protocols-table .iana-protocol-group td {
    padding-left: 0;
    font-weight: bold;
}

@media only screen and (max-width: 1000px) {
    #protocols-table td {
        padding-left: 0px;
    }

    #protocols-table .iana-protocol-reference {
        display: none;
    }
}

#protocols-table {
    width: 100%;
    border-bottom: 1px solid #5eb9e6;
    border-collapse: separate;
}

#protocols-table td {
    padding: 8px 8px 4px 4px;
    padding-left: 20px;
    vertical-align: top;
    background: #fafafc;
}

#protocols-table td:first-child {
    padding-left: 8px;
}

#protocols-table thead tr {
    border-left: none;
    border-right: none;
}

#protocols-table tbody tr {
    padding-top: 12px;
}

#protocols-table th {
    padding: 4px 8px 4px 4px;
    color: #9d9d9d;
    font-size: 8pt;
    text-transform: uppercase;
    border-bottom: 1px solid #5eb9e6;
    vertical-align: bottom;
}

#protocols-table th:first-child {
    padding-left: 8px;
}

#protocols-table tr:last {
    border-bottom: 2px solid #5eb9e6;
}

#protocols-table tr:hover td {
    background-color: #f0f0f8;
}

/* group header rows */
#protocols-table .iana-protocol-group td {
    padding-left: 0;
    font-weight: bold;
}

/* responsive */
@media only screen and (max-width: 1000px) {
    #protocols-table td {
        padding: 2px 10px;
        padding-left: 0;
        vertical-align: top;
        display: block;
        margin: 0;
    }

    #protocols-table th {
        display: none;
    }

    #protocols-table tr {
        margin: 1em;
        border-bottom: 1px solid #5eb9e6;
    }

    #protocols-table .iana-protocol-reference {
        display: none;
    }
}