@media (max-width: 3840px) {
    html, body {
        background: rgb(2, 0, 36);
        background: -moz-linear-gradient(297deg, rgba(2, 0, 36, 1) 0%, rgba(91, 5, 6, 1) 78%, rgba(46, 53, 55, 1) 100%);
        background: -webkit-linear-gradient(297deg, rgba(2, 0, 36, 1) 0%, rgba(91, 5, 6, 1) 78%, rgba(46, 53, 55, 1) 100%);
        background: linear-gradient(297deg, rgba(2, 0, 36, 1) 0%, rgba(91, 5, 6, 1) 78%, rgba(46, 53, 55, 1) 100%);
        filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#020024", endColorstr="#2e3537", GradientType=1);
        background-size: cover;
        background-repeat: no-repeat;
        height: 100%;
        font-family: 'Numans', sans-serif;
    }

    .container {
        height: 100%;
        align-content: center;
    }

    .card {
        height: 370px;
        margin-top: auto;
        margin-bottom: auto;
        width: 400px;
        background-color: rgba(0, 0, 0, 0.5) !important;
    }

    #username {
        text-transform: capitalize;
    }
}

@media (max-width: 600px) {
    html,body {
        background: rgb(2,0,36);
        background: -moz-element(black);
        background: black;
        background-size: cover;
        background-repeat: no-repeat;
        height: 100%;
        font-family: 'Numans', sans-serif;
    }

    .container {
        height: 50%;
        align-content: center;
    }

    .card-mobile{
        height: 600px;
        margin-top: auto;
        margin-bottom: auto;
        width: 100%;
        background-color: rgba(0,0,0,0.5) !important;
    }
}