body {
  font-family: Arial;
  background: #f5f5f5;
  margin: 20px;
}

h1 {
  text-align: center;
}

.form-box {
  background: white;
  padding: 20px;
  border-radius: 10px;
  max-width: 500px;
  margin: auto;
}

input, textarea {
  width: 100%;
  margin-top: 10px;
  padding: 10px;
}

button {
  margin-top: 10px;
  padding: 10px;
  background: blue;
  color: white;
  border: none;
}

.post {
  background: white;
  padding: 15px;
  margin: 20px auto;
  max-width: 500px;
  border-radius: 10px;
}