.content label {
  font-weight: bold;
  display: block;
  margin-bottom: 6px;
}

.content input,
.content select {
  width: 100%;
  padding: 12px;
  font-size: 15px;
  border: 1px solid #ccc;
  border-radius: 6px;
  margin-bottom: 15px;
  box-sizing: border-box;
}

/* BUTTONS */
.btns {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.app {
  padding: 12px 20px;
  border: none;
  background: linear-gradient(135deg, #0a3d62, #07517d);
  color: #fff;
  border-radius: 4px;
  cursor: pointer;
}

/* OUTPUT BOX */
.output {
  margin-top: 20px;
  height: 280px;
  overflow-y: auto;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #fafafa;
  padding: 15px;
  font-family: monospace;
  white-space: pre;
}

/* MOBILE */
@media (max-width: 768px) {

  .btns {
    flex-direction: column;
  }
}