table, tr, td {
    border: none;
}
@media screen and (max-width: 400px) {
    ul.topnav li.right,
    ul.topnav li {
        float: right;
        text-align: left;
        padding-right:20px;
    }
    .logo{
        margin-left: 30%;
        width: 50%;
        display: block;
        flex-direction:row;
        background-color: white;
    }
    .navbar{
        display:block;
        flex-direction:row;
        background-color: white;
    }
    .navbar ul{
        list-style-type: none;
        margin: 0;
        padding: 0;
        overflow: hidden;
        top: 0;
        left:0;
        width: 100%;
    }
    /*Style for the header links*/
    .navbar li{
        float: left;
        display: inline;
    }
    .navbar li a{
        display: block;
        color: black;
        text-align: center;
        padding: 18px 6px;
        text-decoration: none;
        font-family: serif;
        font-weight: bold;
        font-size: 12px;
        line-height: 10px;
    }
    .column{ 
        width:100%;
        height:100%;
    }
    tr {
        display: flex;
        width:300px;
    }
    table{
        padding-left:25%;
        padding-right: 25%;
    }
    table.center {
        margin-left: auto;
        margin-right: auto;
    }
    .center {
        margin-left: auto;
        margin-right: auto;
    }
    td{
        display:flex;
        padding:5px;
        width:100%;
    }
    .table-column{
        width:100%;
    }
}