body {
  font-family: Arial, sans-serif;
  margin: 20px;
}

h1 {
  color: #333;
}

.erro {
  color: #f00;
}

table {
  border-collapse: collapse;
  width: 100%;
}

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

th {
  background-color: #f0f0f0;
}