code: public void addCssProperties(final String cssProperties) {
          final long stamp = lock.writeLock();
          try {
              extractStylesAndAddToAttributeValueMap(cssProperties);
          } finally {
              lock.unlockWrite(stamp);
          }
      }
docs: @param cssProperties
  styles separated by semicolon.<br>
  eg :- {@code color:blue;text-align:center }
  
  @since 1.0.0
  @author WFF