header.aviso {
    padding-top: 10rem;
    padding-bottom: calc(10rem - 4.5rem);
    background: linear-gradient(to bottom, rgba(92, 77, 66, 0.8) 0%, rgba(92, 77, 66, 0.8) 100%), url("../assets/img/portfolio/thumbnails/privacidad_diferencial.webp");
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: scroll;
    background-size: cover;
  }
  header.avis h1 {
    font-size: 2.25rem;
  }
  @media (min-width: 992px) {
    header.avis {
      height: 100vh;
      min-height: 40rem;
      padding-top: 4.5rem;
      padding-bottom: 0;
    }
    header.avis p {
      font-size: 1.15rem;
    }
    header.avis h1 {
      font-size: 3rem;
    }
  }
  @media (min-width: 1200px) {
    header.avis h1 {
     font-size: 30px;
    }
  }
  @media (min-width: 768px) {
    header.avis h1 {
     font-size: 30px;
    }
  }
 
 @media (min-width:768px){
 .centrado{
     text-align:center;
     font-size: 20px;
     margin-top: 40px;
     color:rgb(12, 11, 11);
     background-color: rgba(255, 255, 255, .4);
     height: 600px;
     width: 100%;
     
 }
}
@media (min-width:992px){
  .centrado{
      text-align:center;
      font-size: 20px;
      margin-top: 40px;
      color:rgb(12, 11, 11);
      background-color: rgba(255, 255, 255, .4);
      height: 600px;
      width: 100%;
      
  }
 }
 @media (min-width:360px){
  .centrado{
      text-align:center;
      font-size: 20px;
      margin-top: 40px;
      color:rgb(12, 11, 11);
      background-color: rgba(255, 255, 255, .4);
      height: 600px;
      width: 80%;
      
  }
 }