.my-gallery {
  width: 100%;
  float: left;
}
.my-gallery img {
  width: 100%;
  height: auto;
  visibility:hidden; /* smart add */
}
.my-gallery figure {
  display: block;
  float: left;
  margin: 0 5px 5px 0;
  width: 150px;
}
.my-gallery figcaption {
  display: none;
}

.pswp__caption__center {
	text-align: center;
	font-size: 18px;
	font-family: Arial, Helvetica, sans-serif;
}