body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: #f0f2f5; margin: 20px;
}
.contenedor {
  max-width: 80%; margin: 0 auto; background: white; padding: 25px; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05);margin-top:70px;
}
h1 {
  text-align: center; color: #00796b; font-size: 24px; margin-bottom: 10px; margin-top:10px;
}
#grafico-clima, #grafico-temp, #grafico-hume, #grafico-pres { 
  width: 100%; height: 525px;
}