.overlay {
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
  position: absolute;
  top: 0;
  border-radius: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}