<style>
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial;
}

/* The grid: Four equal columns that float next to each other */
.column_GT {
  float: left;
  width: 25%;
  padding: 10px;
}

/* Style the images inside the grid */
.column_GT img {
  opacity: 0.8; 
  cursor: pointer; 
}

.column_GT img:hover {
  opacity: 1;
}

/* Clear floats after the columns */
.row_GT:after {
  content: "";
  display: table;
  clear: both;
}

/* The expanding image container */
.container_GT {
  position: relative;
  display: block; /* ✅ make visible initially */
}

/* Expanding image text */
#imgtext {
  position: absolute;
  bottom: 15px;
  left: 15px;
  color: #797979;
  font-size: 20px;
  background: rgba(0, 0, 0, 0);
  padding: 5px 10px;
  border-radius: 0px;
}
</style>