body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #222;
}
.container {
  max-width: 600px;
  margin: 0 auto;
  background-color: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
input, select, textarea {
  display: block;
  width: 100%;
  margin: 10px 0;
  padding: 10px;
}
button {
  background-color: #0b5ed7;
  color: white;
  padding: 10px 15px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
fieldset {
  margin-bottom: 20px;
}
.resultados {
  margin-top: 20px;
  background: #e9ecef;
  padding: 10px;
  border-radius: 5px;
}