body {
  background-color: #f1f1f1;
  font-family: Arial, sans-serif;
}

.container {

  margin: 0 auto;
  padding: 20px 40px 20px 20px;
  background-color: #fff;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
}

h1 {
  font-size: 2rem;
  font-weight: bold;
  margin: 0 0 20px;
}

label {
  display: block;
  margin-bottom: 10px;
}

textarea {
  width: 100%;
  height: 300px;
  padding: 10px;
  border: 2px solid #ccc;
  border-radius: 5px;
  background-color: #fff;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
  transition: border-color ease-in-out 0.15s, box-shadow ease-in-out 0.15s;
}

textarea:focus {
  border-color: #66afe9;
  outline: 0;
  box-shadow: 0 0 8px rgba(102, 175, 233, 0.6);
}

button {
  margin-top: 10px;
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  background-color: #4caf50;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #3e8e41;
}

button:active {
  background-color: #3e8e41;
  box-shadow: inset 0 5px 10px rgba(0, 0, 0, 0.1);
}

textarea[disabled] {
  background-color: #ddd;
  color: #333;
  cursor: not-allowed;
  border: none;
  box-shadow: none;
}