body {
  margin: 0;
  font-family: sans-serif;
  background-color: #ecf0f1;
  color: #2c3e50;
}

header {
  background-color: #2c3e50;
  color: #ffffff;
  padding: 20px;
  text-align: center;
}

.post {
  margin: 20px;
  padding: 20px;
  background: #ffffff;
  border-left: 5px solid #2c3e50;
  border-radius: 8px;
  color: #1a237e;
}

.post h2, .post p, .post a {
  color: #1a237e;
}

.post a {
  text-decoration: none;
  font-weight: bold;
}

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

.post img {
  max-width: 100%;
  border-radius: 5px;
}