main {
  perspective: 60em;
}

.post::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 300px;
  display: block;
  background: url('https://doggo.ninja/4yYF9v.png');
  background-size: contain;
  background-position: center center;
  
  transition: transform 1s;
  
  transform: translateY(-100%);
  
  pointer-events: none;
}

.post:hover::before {
  transform: none;
}

.post {
  overflow: hidden;
}

header {
  background: url('https://doggo.ninja/JfPhTS.png');
  background-repeat: repeat-x;
  background-position: center left;
  animation: conga 20s infinite linear;
}

header p {
  background: rgba(255, 255, 255, 0.7);
  margin: 0 auto;
  width: 300px;
  border-radius: 20px;
}

header img {
  background-color: lightblue;
}

header::before {
  content: 'CONGA!!!!';
  position: absolute;
  left: 0px;
  font-size: 50px;
  background-color: rgba(0, 0, 0, 0.5);
  padding: 20px;
}

@keyframes conga {
  from {
    background-position: center left;
  }
  to {
    background-position: center right;
  }
}

@keyframes cool {
  from {
    transform: none;
  }
  50% {
    transform: rotateX(-20deg);
  }
  to {
    transform: none;
  }
}