@media screen and (max-width: 700px) {

    header .container {
        display: flex;
        flex-direction: column;
    }

    .botao{
        margin-bottom: 8px;
        width: 300px;
    }

}

@media screen and (min-width: 1000px){

    .descricao{
        width: 50%;
    }
}