body {
  background-color: #121212;
  color: #e0e0e0;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
}

.container {
  width: 90%;
  max-width: 800px;
  padding: 20px;
}

.post {
  padding: 15px;
  border-bottom: 1px solid #333;
}

.post a {
  color: #bb86fc;
  text-decoration: none;
}

.post a:hover {
  text-decoration: underline;
}

.back {
  display: block;
  margin: 20px 0;
  color: #bb86fc;
  text-decoration: none;
}

.back:hover {
  text-decoration: underline;
}

@media (max-width: 600px) {
  .container {
    width: 100%;
    padding: 10px;
  }
}