.image-box {
  position: relative;
  width: calc(33.33% - 20px); /* Adjust the width and margin as needed */
  margin: 60px auto;
}

.image-box img {
  width: 100%;
  height: auto;
  display: block;
}

.overlay-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 2.5em;
  font-weight: bold;
  text-align: center;
}

@media (max-width: 767px) {
    .overlay-text {
	font-size: 1.2em;
    }
}