.ProgressBar {
    visibility: hidden;
    height: 20px;
    width: 100%;
    margin-top: 10px;
    position: relative;
    background-color: #ecf0f1;
}

.ProgressBar-bar {
    display: block;
    height: 100%;
    background-color:#2ecc71;
    position: relative;
    overflow: hidden;
}