#content_progress {
      /* Positioning */
      position: fixed;
      left: 0;
      top: 0;
      z-index: 32766;
      width: 100%;
      height: 6px;
      -webkit-appearance: none;
      -moz-appearance: none;
      appearance: none;
      border: none;
      background-color: transparent;
      color: #29b7cb;
}

#content_progress::-webkit-progress-bar {
      background-color: transparent;
}

#content_progress::-webkit-progress-value {
      background-color: #29b7cb;
}

#content_progress::-moz-progress-bar {
      background-color: #29b7cb;
}