* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #333;
}

.wallet-container {
  padding: 20px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #fff;
  border-radius: 10px;
  padding: 15px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.avatar img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.user-info h2 {
  font-size: 18px;
  color: #555;
  margin-bottom: 5px;
}

.user-info .balance {
  font-size: 16px;
  font-weight: bold;
  color: #ff4d4f;
}

.random-number {
  font-size: 14px;
  color: #333;
}

.card-bar {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
}

.card {
  background-color: #fff;
  border-radius: 8px;
  padding: 10px;
  width: 48%;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.card p {
  margin-bottom: 5px;
}

.card-type {
  font-size: 14px;
  color: #999;
}

.card-number {
  font-size: 18px;
  font-weight: bold;
  color: #333;
}

.actions {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
}

.action-btn {
  background-color: #00bcd4;
  color: #fff;
  border: none;
  padding: 12px 20px;
  border-radius: 5px;
  font-size: 16px;
  width: 22%;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.action-btn:hover {
  background-color: #008c96;
}