.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.img-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 85%;
}

@media screen and (min-width : 576px) and (max-width: 767px) {
  .img-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
  }
}

@media screen and (min-width : 0px) and (max-width: 576px) {
  .img-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 98%;
  }
}

.btn-font {
  font-size: 28px;
  margin-bottom: 5px;
}