.Readingprogress__progressBar {
    height: 4px;
    transition: all .2s;
    background: linear-gradient(90deg,#88D408 16%,#88D408 75.89%,#88D408 99.8%);
    box-shadow: rgba(0,0,0,0.24) 0 8px 18px;
    border-radius: 0 5px 5px 0
}