.my-gallery {
  width: 100%;
  float: left;
}
.my-gallery img {
  width: 100%;
  height: auto;
}
.my-gallery figure {
  box-shadow: rgb(0 0 0 / 50%) 0 3px 3px;
  display: block;
  float: left;
  margin: 0 20px 5px 0;
  width: 250px;
}
.my-gallery figcaption {
  display: none;
}
.galeria a:hover {
    text-decoration: underline;
   -webkit-filter: brightness(90%);
   filter: brightness(70%);
}