body {	 
	margin: 10px; padding: 10px;
}

/* ======================================
Responsive Image gallery Style rules
======================================*/
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.container {
  padding: 40px 5%;
}

.heading-text {
  margin-bottom: 2rem;
  font-size: 2rem;
}

.heading-text span {
  font-weight: 100;
}

ul {
  list-style: none;
}

/* Responsive image gallery rules begin*/

.image-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.image-gallery > li {
  flex: 1 1 auto; /* or flex: auto; */
  height: 300px;
  cursor: pointer;
  position: relative;
}

.image-gallery::after {
  content: "";
  flex-grow: 999;
}

.image-gallery li img {
  object-fit: contain;
  width: 100%;
  height: 100%;
  vertical-align: middle;
  border-radius: 5px;
}

.overlay {
  position: absolute;
  width: 100%;
  height: 100%;
 
/* background: rgba(57, 57, 57, 0.502);  original */

  top: 0;
  left: 0;
  transform: scale(0);
  transition: all 0.2s 0.1s ease-in-out;
  color: #ff0000;
  border-radius: 5px;

  /* center overlay content */
  display: flex;

font-weight: bold;

/* align-items: center;  original-w/o it, caption displays at top of pic */	

  justify-content: center;
}

/* hover */
.image-gallery li:hover .overlay {
  transform: scale(1);
}