gvbody {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
        margin: 0;
    }

    .container {
        border: 1px solid #ccc;
        padding: 0px;
    }

    table {
        border-collapse: collapse;
        width: 100%;
    }

    table, th, td {
        border: 1px solid #ccc;
        padding: 8px;
        text-align: center;
    }