body {
  background-color: #f8f9fa;
}
.welcome-box {
  max-width: 450px;
  margin: 80px auto;
  padding: 40px;
  background: white;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(0,0,0,0.1);
  text-align: center;
}
.logo {
  max-width: 150px;
  margin-bottom: 20px;
}
.footer {
  position: fixed;
  bottom: 15px;
  width: 100%;
  text-align: center;
  font-size: 14px;
  color: #888;
}
.btn-custom {
  background-color: #dc3545;
  color: white;
  margin: 5px;
}
.btn-custom:hover {
  background-color: #bb2d3b;
  color: white;
}