@media(max-width: 700px){

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

    .botao{
        margin-top: 5px;        
        width: 300px;
    }
}

@media(min-width: 1000px){
    .descricao{
        width: 50%;
    }
    .filme-principal{
        height: 680px;
    }
  
}