body {
  font-family: 'Arial', sans-serif;
  background-color: #f5f8fa;
  color: #003366;
  margin: 0;
  padding: 20px;
}

h1 {
  text-align: center;
  color: #004481;
}

p {
  text-align: center;
}

button {
  background-color: #004481;
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 5px;
  font-size: 14px;
  cursor: pointer;
}

button:hover {
  background-color: #0066cc;
}

input[type="file"] {
  display: block;
  margin: 15px auto;
  border: 1px solid #ccc;
  padding: 10px;
  border-radius: 5px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

th, td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid #ccc;
}

th {
  background-color: #004481;
  color: white;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}