body {
    background: #000;
    color: #FFF;
}

#div_login_wrap {
    margin-top: 15vh;
}

#div_login_wrap img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 30px;
}

#div_login_wrap .form-group {
    margin-left: auto;
    margin-right:auto;
    margin-bottom: 20px;
}

#div_login_wrap #bt_entrar {
    display: block;
    margin-left: auto;
}