body {
  font-family: Arial, sans-serif;
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
}

textarea {
  width: 100%;
  height: 150px;
  font-size: 18px;
  margin-bottom: 20px;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 10px;
  box-sizing: border-box;
}

button {
  display: block;
  margin: 0 auto;
  width: 120px;
  height: 40px;
  background-color: #4caf50;
  border: none;
  border-radius: 4px;
  color: white;
  font-size: 18px;
  cursor: pointer;
}

button:hover {
  background-color: #3f9b43;
}

select {
  width: 100%;
  height: 40px;
  font-size: 18px;
  margin-bottom: 20px;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 10px;
  box-sizing: border-box;
}

input[type="range"] {
  width: 100%;
  height: 40px;
  margin-bottom: 20px;
}

.d-flex {
	display: flex
}