.section-background-banner {
    background-image: url('../images/banner.jpg');
    background-size: cover;
    background-position: center;
    height: 50vh; /* Ajusta la altura según necesites */
    position: relative;
    overflow: hidden;
  }
  
  .section-background-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.25); /* Opacidad al 25% */
    z-index: -1;
  }
  
  .bg-banner {
    background-color: rgba(0, 0, 0, 0.80); /* Opacidad al 25% */
    
  }