/* The grid: Four equal columns that floats next to each other */
.gallery_c {
  float: left;
  width: 25%;
  padding: 2px;
}

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

.gallery_c img:hover {
  opacity: 1;
}
.gallery_r{
    margin: 0;
}
/* Clear floats after the columns */
.gallery_r:after {
  content: "";
  display: table;
  clear: both;
}

/* The expanding image container */
.gallery_container {
  position: relative;
  display: none;
}

/* Expanding image text */
#imgtext {
  position: absolute;
  bottom: 15px;
  left: 15px;
  color: white;
  font-size: 20px;
}

/* Closable button inside the expanded image */
.closebtn {
  position: absolute;
  top: 10px;
  right: 20px;
  color: red;
  font-size: 40px;
    font-weight: 600;
  cursor: pointer;
}