body {
  font-family: Arial, sans-serif;
  padding: 20px;
}

input {
  margin: 5px;
  padding: 5px;
  width: 50px;
}

button {
  padding: 5px 10px;
  margin: 5px 0;
}

.post {
  border: 1px solid #ccc;
  padding: 10px;
  margin: 5px 0;
}