.progress {
    
    position: fixed; 
    top: 0; 
    left: 0; 
    height: 10px; 
    background-color: purple; 
    transition: all linear 0.1s; 
    min-width: 1%; 
}

.scroll-line {    
    height: 2px;
    margin-bottom: -2px;
    background: rgb(4, 0, 255);
    width: 0%;
}