body {
  font-family: sans-serif;
  background: #f4f4f4;
  text-align: center;
  padding: 20px;
}
input, select {
  margin: 5px;
  padding: 8px;
}
button {
  padding: 10px 20px;
  margin-top: 10px;
  cursor: pointer;
}
.pista {
  font-style: italic;
  color: #555;
  margin-top: 10px;
}
#confeti {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
ul {
  text-align: left;
  max-width: 600px;
  margin: auto;
}