@import url('https://fonts.googleapis.com/css2?family=Redressed&family=Muli&display=swap');

:root {
    --line-border-fill:#3498db;
    --line-border-empty:#e0e0e0;
}

*{
    box-sizing:border-box;

}

body{
    background-color: aliceblue;
    font-family: Muli,sans-serif;
    display:flex;
    align-items: center;
    justify-content: center;
    height:100vh;
    overflow: hidden;
    margin:0;
}

.container{
    text-align: center;
}

.progress-container{
    display:flex;
    justify-content: space-between;
    position:relative;
    margin-bottom: 30px;
    max-width: 100%;
    width:350px;
}

.progress-container::before{
    content:'';
    background-color:var(--line-border-empty);
    position:absolute;
    top:50%;
    left:0;
    transform: translateY();
    height:4px;
    width:100%;
    z-index:-1;
}

.progress{
  background-color:var(--line-border-fill);
  position: absolute;
  top:50%;
  left:0;
  transform: translateY(50%);
  height: 4px;
  width:0%;
  z-index:-1;
  transition: 0.4s ease;
}

.Star{
    background-color: white;
    color:#999;
    border-radius: 50%;
    height:30px;
    width:30px;
    display:flex;
    align-items: center;
    justify-content: center;
    border:3px solid var(--line-border-empty);
    transition:.4s ease
}

.Star.active{
    border-color:var(--line-border-fill);
}

.btn{
    background-color: var(--line-border-fill);
    color:#e0e0e0;
    border:0;
    border-radius: 6px;
    cursor:pointer;
    font-family:inherit;
    padding:8px 30px;
    margin:5px;
    font-size:14px;

}

.btn:active{
    transform:scale(0.98);

}

.btn:focus{
    outline: 0;
}

.btn:disabled{
    background-color: var(--line-border-empty);
    cursor:not-allowed;
}