img {
    filter: grayscale(20%) brightness(90%);
    width: 100%;
    height: auto;
    object-fit: cover;
  
}
.hero img{
      opacity: 0.7; 
}

.hero img.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}