.container{
    width:100%;
}

.progressbar{
    counter-reset: step;
}

.progressbar li{
    list-style-type:none;
    float: left;
    width: 33.33%;
    position: relative;
    text-align: center;
}

.progressbar li:before{
    content: counter(step);
    counter-increment: step;
    /* content:'1'; */
    width: 30px;
    height:30px;
    line-height: 30px;
    border:1px solid #ddd;
    display: block;
    text-align: center;
    margin: 0 auto 10px auto;
    border-radius: 50%;
    background-color: white; 
}

.progressbar li:after{
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: #ddd; 
    top:15px;
    left:-50%;
    z-index:-1;
}

.progressbar li:first-child:after{
    content: none;
}

.progressbar li.active:before{
    border-color:black;
    background: black;
}

.progressbar li.active + li:after {
    background-color:black  ;
}