.row {
  display: flex;
  flex-wrap: wrap;
  padding: 0 4px;
}
.column {
  flex: 20%;
  max-width: 25%;
  padding: 0 4px;
}

.column img {
  margin-top: 8px;
  vertical-align: middle;
  width: 100%;
}



{box-sizing: border-box},

/* Container needed to position the overlay. Adjust the width as needed /
.container {
  position: relative;
  width: 100%;
  max-width: 370px;
}

/ Make the image to responsive /
.image {
  display: block;
  width: 100%;
  height: auto;
}

/ The overlay effect - lays on top of the container and over the image /
.overlay {
  position: absolute;
  bottom: 0;
  background: rgb(219, 164, 164);
  background: rgba(0, 0, 0, 0.5); / Black see-through /
  color: #f1f1f1;
  width: 100%;
  transition: .5s ease;
  opacity:0;
  color: white;
  font-size: 20px;
  padding: 20px;
  text-align: center;
}

/ When you mouse over the container, fade in the overlay title */
.container:hover .overlay {
  opacity: 1;
}