/* Banner full-bleed bajo header fijo */
.banner{
  width:100%;
  display:block;
  position:relative;
  margin-top:160px; /* header desktop */
}
.banner img{
  width:100%;
  height:250px;
  object-fit:cover;
  display:block;
}
@media(max-width:860px){
  .banner{margin-top:120px;} /* header mobile */
}