.steel-calculators-wrapper {
  border: 1px solid #ccc;
  padding: 15px;
  margin: 20px 0;
  background: #f9f9f9;
  border-radius: 8px;
}
.steel-calculators-wrapper h2 {
  margin-bottom: 15px;
}
.steel-calculators-wrapper label {
  display: block;
  margin: 5px 0;
}
.steel-calculators-wrapper input {
  margin-left: 5px;
  padding: 4px;
}
.steel-calculators-wrapper button {
  margin-top: 10px;
  padding: 5px 10px;
  background: #0073aa;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.steel-calculators-wrapper button:hover {
  background: #005f8d;
}