body{
display: flex;
height: 100vh;
flex-direction: column;
justify-content: center;
align-items: center;
}
.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 50px;
}
.progress{
  position: absolute;
  top: 50%;
  left: 0;
  height: 4px;
  background-color: #3498db;
  width: 0%;
  transform: translateY(-50%);
  transition: width 0.4s ease;
  z-index: -1;
}
.progress-container{
  display: flex;
  justify-content: space-between;
  position: relative;
  width: 350px;
  margin-bottom: 30px;}
.circle{
  background-color: #e0e0e0;
  color: #cd9f9f;
  border-radius: 50%;
  height: 40px;
  width: 40px;
  display: flex;
  border: 3px solid #ccc;  
  justify-content: center;
  align-items: center;
  font-weight: bold;
  transition: background-color 0.3s, color 0.3s;
}
.circle.active {
  border-color: #3498db;
}
.btn:disabled {
  background-color: #ccc;
  cursor: not-allowed;
  color: #666;
}
.btnc{
    display: flex;
    justify-content: center;
    align-items: center;
}
.btn {
  background-color: #3498db;
  border: none;
  color: white;
  padding: 10px 25px;
  margin: 0 10px;
  font-size: 16px;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
.btn:hover:not(:disabled) {
  background-color: #2980b9;
}
btn{
    color: blue;
}