.hero {
    background:
    linear-gradient(rgba(53, 53, 53, 0.726), rgba(39, 39, 39, 0.705)),
    url("/assets/img/background6.png") center / cover no-repeat;
}

a {
    color: #fff;
}

p {
    max-width: 50%;
}

iframe {
    width: 425px;
    height: 350px;
}

@media (max-width: 900px) {
  iframe {
    width: 300px; 
    height: 200px;
  }
}