body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

header {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #333;
  color: white;
  width: 100%;
  padding: 20px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo {
  height: 50px;
  margin-right: 20px;
}

main {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

form {
  display: flex;
  flex-direction: column;
  align-items: center;
}

input[type="file"] {
  margin-bottom: 20px;
}

button {
  background-color: #333;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background-color: #555;
}