body {
  font-family: Arial;
  padding: 20px;
  background: #f4f4f4;
}
h2 {
  color: #333;
}
.box {
  background: white;
  padding: 15px;
  margin-bottom: 20px;
  border-radius: 5px;
}
input, textarea, button {
  margin-top: 5px;
  display: block;
  width: 100%;
  max-width: 500px;
  padding: 8px;
}
ul {
  list-style-type: none;
  padding-left: 0;
}
li {
  margin-bottom: 10px;
}