body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(120deg, #e0ffe0 0%, #b2f7b2 100%);
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

h1 {
  text-align: center;
  color: #228B22;
  margin-top: 32px;
  font-size: 2.5rem;
}

button {
  background: #228B22;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 10px 22px;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 8px;
  transition: background 0.2s;
}
button:hover {
  background: #145214;
}

input, select {
  padding: 8px;
  border-radius: 4px;
  border: 1px solid #b2f7b2;
  margin: 6px 0;
  font-size: 1rem;
  width: 250px;
  max-width: 90vw;
  display: block;
}

h3 {
  color: #145214;
  margin-top: 32px;
}

#balance, #walletAddress {
  color: #228B22;
  font-weight: bold;
}

body > * {
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  display: block;
}

select {
  width: 266px;
}