body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  text-align: center;
}

#background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-size: cover;
  background-repeat: no-repeat;
  /* animation: fadeInOut 7s infinite; */
  background-image: url("images/apartment-livingroom-02.jpg");
  transition: transform 8s ease-in-out 0s;
  animation-duration: 8s;
  animation-name: fadeInOut;
  animation-iteration-count: infinite;
  animation-direction: alternate;
  animation-timing-function: ease-in-out;
  -webkit-animation-timing-function: ease-in-out;
}

.container {
  background-color: rgba(0, 0, 0, 0.5);
  padding: 20px;
  border-radius: 10px;
}

h1 {
  font-size: 3em;
  margin-bottom: 20px;
}
a {
  color: #fff;
  text-decoration: none;
  background-color: #007bff;
  padding: 10px 20px;
  border-radius: 5px;
  font-size: 1.2em;
  transition: background-color 0.3s;
}

@keyframes fadeInOut {
  0% {
    opacity: 0.25;
  }
  10% {
    opacity: 0.25;
  }
  25% {
    opacity: 0.75;
  }
  50% {
    opacity: 1;
  }
  75% {
    opacity: 0.75;
  }
  90% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.15;
  }
}