ul.tree ul {
    margin-left: 36px; 
}

#progress { 
    position: relative; 
    /*height: 2em; */
    width: 100%; 
    background-color: grey; 
    height: 2.5em;
}

#progress .label {
    z-index: 10; 
    position: absolute; 
    left:0; 
    top: 0; 
    width: 100%; 
    font-weight: bold; 
    text-align: center;  
    text-shadow: none; 
    padding: .5em;
    color: white;
}

#progress .bar { 
    z-index: 0; 
    position: absolute; 
    left:0; 
    top: 0; 
    height: 100%; 
    width: 0%; 
    background-color: green; 
}