To apply filter, follow the following steps:
       1. Select a text, button, or movie clip object to apply a filter to or remove a filter from.
       2. In the Filters section of the Property inspector, do one of the following.
               => To add a filter, click the Add Filter button , and select a filter. Experiment with the settings until you get the desired look.
               => To remove a filter, select the filter to remove in the list of applied filters, and click the Remove Filter button . You can delete or rename any presets.     
 

The Drop Shadow filter simulates the look of an object casting a shadow onto a surface.

       1. Select the object to apply a drop shadow.
       2. In the Filters section of the Property inspector, click the Add Filter button, and select Drop Shadow.
       3. Edit the filter settings:
               =>To set the width and height of the drop shadow, set the Blur X and Y values.
               =>To set the darkness of the shadow, set the Strength value. The higher the numerical value, the darker the shadow.     
                =>Select the quality level for the drop shadow. High is approximate to that of a Gaussian blur. Low maximizes playback performance.
               =>To set the angle of the shadow, enter a value.
               =>To set the distance of the shadow from the object, set the Distance value.