@media screen and (max-width: 700px){
    header .container {
        display: flex; 
        flex-direction: column; 
    }
    
    .filme-principal .titulo {
        margin-top: 10%;
        font-size: 30px;
    }
    
    .filme-principal .descricao{
        margin-top: 10px;
        margin-bottom: 20px;
        width: 100%;
    }
    
    .botao {
        margin-top: 5px; 
        width: 250px; 
    }
}

@media screen and (min-width: 1000px){
    .descricao {
        width: 100%; 
    }
}