div.container {
    width: 100%;
    text-align: center;
}

form.login {
    margin-top: 20px;
    display: inline-block;
    background-color: darkslategrey;
    border-radius: 5px;
    padding: 15px 30px;
    font-size: 1.5em;
}

form.login .headline {
    font-size: 2em;
    margin-top: 0;
    margin-bottom: 10px;
}

form.login label {
    display: inline-block;
    width: 100%;
    text-align: left;
    margin-top: 10px;
}

form.login input {
    width: 100%;
    margin: 5px 0;
    min-height: 50px;
    font-size: 1em;
}

form.login button {
    width: 100%;
    margin-top: 10px;
    padding: 10px;
    font-size: 1.5em;
    background-color: dodgerblue;
    border: 1px solid dodgerblue;
    border-radius: 5px;
    color: #000;
}

form.login button:hover {
    background-color: #1e90cc;
}