/*Responsive layout*/
    * {
        box-sizing: border-box;
    }

    body {
        color: #E0E0E0;
        font-family: monospace;
        background-color: #222;
    }

    /*Style the header*/
    .header {
        padding: 10px;
        text-align: center;
    }

    /* Style the top navigation bar */
    .nav {
        overflow: hidden;
        background-color: #333;
    }

    /* Style the topnav links */
    .nav a {
        float: left;
        display: block;
        color: white;
        text-align: center;
        padding: 14px 16px;
        text-decoration: none;
    }

    /*Change color on hover*/
    .nav a:hover {
        background-color: #111;
    }

    /*Change color of the active page*/
    .nav .active {
        background-color: #553582;
    }

    .row::after {
        content: "";
        display: table;
        clear: both;
    }

    .leftcolumn {
        float: left;
        width: 75%;
    }

    .leftcolumn h4 {
        font-style: italic;
    }

    .rightcolumn {
        float: left;
        width: 25%;
        background-color: #222;
        padding-left: 20px;
    }

    /*Style the card*/
    .card {
        background-color: #333;
        padding: 20px;
        margin-top: 20px;
        border-radius: 15px;
    }

    .card li{
        padding-top: 0.5em;
        object-fit: contain;
    }

    /*Change color of card links*/
    .card a{
        color: #E0E0E0;
    }

    .card h3{
        margin-top: 20px;
    }
    /*Style the footer*/
    .footer {
        padding: 20px;
        margin-top: 20px;
        margin-left: auto;
        margin-right: auto;
        border: 1px solid white;
        border-radius: 30px;
        text-align: center;
        background: #333;
    }

    @media screen and (max-width: 800px) {
        .leftcolumn, .rightcolumn {
            width: 100%;
            padding: 0;
        }
    }

    @media screen and (min-width: 801px) {
        .footer {
            width: 35%;
        }
    }

    @media screen and (max-width: 400px) {
        .nav a {
            float: none;
            width: 100%;
        }
    }