.main-flex {
  background-color: white;
  display: flex;
  margin: 0;
  border-radius: 10px;
  width: 640px;
  height: 480px;
  border: 1px solid black;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  }

#left {
  border: 1px dashed red;
  float: left;
  width: 30%;
  height: 90%;
  position: absolute;
  left: 0px;
}

#left h1 {
  text-align: center;
  background-color: #ff00dc;
}

#left center {
  empty
}

#right {
  border: 1px dashed green;
  width: 70%;
  height: 90%;
  position: absolute;
  right: 0px;
}

#footer {
  display: flex;
  justify-content: center;
  border: 1px dashed blue;
  width: 100%;
  height: 10%;
  position: absolute;
  bottom: 0px;
}

#footer a {
  scale: 50%;
}

#right img {
  max-width: 100%;
  max-height: 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@keyframes animatedBackground {
  from {
    background-position: 0px 0px;
  }
  to {
    background-position: 0px 200px;
  }
}

#missing {
 padding: 20px;
 margin: 20px;
 background-color: white;
 position: absolute;
 bottom: 0%;
 left: 0%;
}

.bg-animated{
  background-image: url("media/missing.webp");
  background-repeat: repeat;
  animation: animatedBackground 8s linear infinite;
}