body {
  background-color: #000102; /* azul muy claro */
  font-family: Arial, sans-serif;
  margin: 20px;
}

/* Reloj */
#clock {
  color: #ffffff;
  font-size: 4em;
  font-family: 'Courier New', monospace;
  background-color: #2ff0fe;
  padding: 10px;
  border-radius: 10px;
  text-align: center;
}

/* Primer párrafo */
.intro {
  color: #000000;
  font-size: 1.1em;
  line-height: 1.6;
  font-family: 'Georgia', serif;
  background-color: #fcf26a;
  padding: 15px;
  border-left: 5px solid #3498db;
}

/* Lista */
.feature-list {
  color: #2c3e50;
  font-family: 'Verdana', sans-serif;
  background-color: #f4d980;
  padding: 15px;
  border-radius: 5px;
  list-style-type: square;
}