.content {
  flex-grow: 1;
  padding: 20px;
  max-width: 800px;
  margin: 0 auto;
  font-family: Arial, sans-serif;
  background-color: #f9f9f9;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.content h1 {
  font-size: 2rem;
  margin-bottom: 15px;
  color: #333;
}

.content p {
  font-size: 1rem;
  margin-bottom: 10px;
  color: #555;
}

.content h4 {
  font-size: 2rem;
}
.content form {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.content input[type="number"],
.content input[type="file"] {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.content input[type="number"]:focus,
.content input[type="file"]:focus {
  border-color: #0078d7;
  outline: none;
}

.content input[type="number"]::placeholder {
  color: #999;
}

button {
  background-color: #4A90E2;   /* soft blue */
  color: white;                /* text color */
  padding: 12px 24px;          /* spacing */
  border: none;                /* no border */
  border-radius: 8px;          /* rounded corners */
  font-size: 16px;             /* readable text */
  cursor: pointer;             /* pointer on hover */
  transition: background 0.3s ease;
}

button:hover {
  background-color: #357ABD;   /* darker blue on hover */
}