.gptexist-card {
  max-width: 600px;
  margin: 30px auto;
  padding: 25px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,.08);
}

.gptexist-wallet {
  padding: 15px;
  background: #f4f6f8;
  border-radius: 10px;
  margin-bottom: 20px;
}