bootstrap-css:
- change all the font size to px ( eg. 11pt->11px)
- adjust problems caused by font size change

bootstrap-components:
- progress bar
bootstrap-css:
- change alert-danger to alert-error, alert-error to alert-danger /* in order to keep the same as bootstrap-components */
bootstrap-css:
- hide cross icon in alerts, because it overlaps with alerts in bootstrap-components
bootstrap-css:
- delete .alert .close{top..; right..;}
bootstrap-css:
- fixed missing </p>
bootstrap-css:
- adjust alert padding-right
bootstrap-css:
- change alert <strong>
 bootstrap-components:
 - alerts done