.mlm-graph, .mlm-graph ul {
    padding-top: 20px;
    position: relative;
    transition: all 0.5s;
}

.mlm-graph li {
    float: left;
    text-align: center;
    list-style-type: none;
    position: relative;
    padding: 20px 5px 0 5px;
}

.mlm-graph li::before, .mlm-graph li::after {
    content: '';
    position: absolute;
    top: 0;
    right: 50%;
    border-top: 1px solid #ccc;
    width: 50%;
    height: 20px;
}

.mlm-graph li::after {
    right: auto;
    left: 50%;
    border-left: 1px solid #ccc;
}

.mlm-graph li:only-child::after, 
.mlm-graph li:only-child::before {
    display: none;
}

.mlm-graph li:only-child {
    padding-top: 0;
}

.mlm-graph li:first-child::before, 
.mlm-graph li:last-child::after {
    border: 0 none;
}

.mlm-box {
    border: 1px solid #0073aa;
    padding: 6px 10px;
    display: inline-block;
    border-radius: 6px;
    background: #f1faff;
    font-size: 13px;
}

.mlm-box.root {
    background: #0073aa;
    color: #fff;
}