.login {
    width: 100%;
    padding: 30px;
}
.login button {
    display: block;
    width: 100%;
    margin: auto;
}
div.message {
    line-height: initial;
    height: initial;
    padding: 10px;
}
@media only screen and (min-width: 551px) {
    .login {
        width: 450px;
        height: 350px;
        margin: 100px auto;
        padding: 50px;
        border: solid 1px #dddddd;
        -moz-box-shadow: 7px 10px 33px 2px #656565;
        -webkit-box-shadow: 7px 10px 33px 2px #656565;
        -o-box-shadow: 7px 10px 33px 2px #656565;
        box-shadow: 7px 10px 33px 2px #656565;
        filter:progid:DXImageTransform.Microsoft.Shadow(color=#656565, Direction=145, Strength=33);
        -moz-border-radius: 10px;
        -webkit-border-radius: 10px;
        border-radius: 10px;
    }
}