.logo__nome a {
    text-decoration: none;
}
.form__login{
    display: flex;
    align-items: center;
    margin: 0;
    height: 40rem;
}

@media(max-width:768px) {
    .form__login{
        margin-top: 2rem;
    }
}

@media(max-width:425px ),(max-width:375px) {
    .cabecalho {
        height: auto;
        background-color: transparent;
        margin-top: 2rem;
    }
}