.container {
  display: flex;
  width: 100%;
  flex-direction: row;
  flex-wrap: nowrap;
  align-content: center;
  align-items: center;
  justify-content: center;
}
.contact-section {
  background-color: #fff;
  padding: 20px;
  margin: 20px;
  border-radius: 5px;
  border: 1px solid rgba(0, 0, 0, 0.5);
  box-shadow: 1px 4px 8px rgba(0, 0, 0, 1);
}
iframe {
  width: 100%;
  height: 290px;
}
#mapa {
  width: 40%;
  height: auto;
}
h1 {
  text-align: center;
}
h2 {
  margin-top: 0;
  color: #0056b3;
}
p,
a {
  margin: 0;
}
a {
  color: #007bff;
  text-decoration: none;
}

@media (max-width: 768px) {
  .container {
    display: flex;
    width: 100%;
    flex-direction: column;
    flex-wrap: nowrap;
    align-content: center;
    align-items: center;
    justify-content: center;
  }
  .contact-section {
    width: 80%;
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    border: 1px solid rgba(0, 0, 0, 0.5);
    box-shadow: 1px 4px 8px rgba(0, 0, 0, 1);
  }
  iframe {
    width: 100%;
    height: 290px;
  }
  #mapa {
    width: 80%;
    height: auto;
  }
}