body {
  /*   background: #eee; */
  background: #eee;
  overflow: hidden;
  transition: all 1s ease-out;
}
/*  background-color: rgba(254, 190, 195, 0.95);
#f5799c;
*/
/* make the page responsive */
.container {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

/* center the two images */
.image-container {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 1s ease-out;
}

img {
  width: auto;
  height: 100%;
}
.opened-door {
  display: none;
}

.knock {
  position: absolute;
  z-index: 1;
  font-weight: 700;
  transform: translate(-50%, -50%);
  font-family: "Lucida Sans", "Lucida Sans Regular", "Lucida Grande",
    "Lucida Sans Unicode", Geneva, Verdana, sans-serif;
  top: 50%;
  font-size: 1.5rem;
  left: 50%;
}
/*==================ANIMATION================= */
.blob-container {
  cursor: pointer;
  position: absolute;
  transform: translate(-50%, -50%);
  top: 15%;
  left: 50%;
}

.blob {
  position: relative;
  background: white;
  opacity: 0.8;
  border-radius: 50%;
  height: 6rem;
  width: 6rem;
  transform: scale(1.1);
  animation: pulse-black 2s infinite;
}

.blob.white {
  background: white;
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 1);
  animation: pulse-white 2s infinite;
}

@keyframes pulse-white {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
  }

  70% {
    transform: scale(1.1);
    box-shadow: 0 0 0 9rem rgba(255, 255, 255, 0);
  }

  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
  }
}