.views-login {
}

    .views-login .login-frame {
        border: solid 1px #efefef;
        border-radius: 4px;
        margin-top: 30px;
        margin-left: auto;
        margin-right: auto;
        padding: 20px;
        width: 350px;
    }

        .views-login .login-frame .buttons {
            margin-top: 20px;
            text-align: left;
        }