@media (max-width: 721px) {

    body {
        background-color: #8ef1e0;
    }

    body>h1 {
        margin-top: 90px;
        font-size: 3vmax;
    }

    .container {
        height: auto;
        width: 60%;
        padding: 30px;
        background-color: aqua;
         border: 2px solid black;
    }

    .container input {
        font-size: 1.3vmax;
    }

    .container button {
        font-size: 1.1vmax;
    }

    footer p{
        font-size: 1.5vmax;
    }
}