#myProgress {
    position: relative;
    width: 100%;
    height: 30px;
    background-color: grey;
}
#myBar {
    position: absolute;
    width: 1%;
    height: 100%;
    background-color: green;
}
/* If you want the label inside the progress bar */
#label {
    text-align: center; /* If you want to center it */
    line-height: 30px; /* Set the line-height to the same as the height of the progress bar container, to center it vertically */
    color: white;
}