@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.spinning { display: inline-block; animation: spin 1s linear infinite; }

body {
  font-family: 'Montserrat', sans-serif;
  background-color: #f0f2f5;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  padding: 0 20px;
}
.login-container {
  background-color: white;
  border-radius: 10px;
  padding: 40px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  max-width: 400px;
  width: 100%;
}
.login-container img {
  max-width: 300px;
  display: block;
  margin: 0px auto 60px auto;
}
.form-control {
  border-radius: 10px;
  padding-left: 40px;
}
.form-control-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #aaa;
}
.btn-primary {
  background-color: #007bff;
  border-color: #007bff;
  border-radius: 10px;
}
.btn-primary:hover {
  background-color: #0056b3;
}
.form-group {
  position: relative;
}
.box-button {
  display: flex;
  justify-content: center;
  align-items: center;
}