@media only screen and (max-width: 350px) {

    button {
        display: block;
        width: 100px;
    }
    .btn_abrir{
        display: flex;
        background-color: #ffffff;
        width: 50px;
       position: absolute;
       left: 250px;
       border-color: #ffffff;
    }
    .btn_cerrar{
        left: 250px;
    }
    .nav {
        display: none;
    }
    .desc {
        margin: 0 20px 0 20px;
    }
    
    .desc1 {
        margin: 0 20px 0 20px;
    }
    
    .desc2 {
        margin: 0 20px 0 20px;
    }
    
    .desc3 {
        margin: 0 20px 0 20px;
    }
    h3 {
        font-size: 14px;
        line-height: 2;
    }
    h5 {
        font-size: 14px;
    }
    .list1 {
        font-size: 12px;
        line-height: 1.5;
    }
    .dlgv1 {
        font-size: 18px;
    }
    #titulo {
        font-size: 22px;
        margin-top: 20px;
        margin: 0 20px 0 20px;
    }
    .subtitulo {
        font-size: 14px;
    }
    #hm_element1,
#hm_element2,
#hm_element3,
#hm_element4
{
font-size: 14px;
}
}