body {
  font-family: Arial;
  margin: 0;
  background: #f4f6f8;
}

header {
  background: #2c7be5;
  color: white;
  padding: 15px;
}

nav a {
  color: white;
  margin-right: 15px;
  text-decoration: none;
}

.container {
  padding: 20px;
}

.card {
  background: white;
  padding: 20px;
  margin-bottom: 15px;
  border-radius: 10px;
}

input, select, button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
}

button {
  background: #2c7be5;
  color: white;
  border: none;
}