pause-before
Previous- speak  |  Next-pause-after
Description

These properties specify a pause to be observed before (or after) speaking an element's content.

Initial Value : depends on browser
Applies to : all elements
Inherited : no
Possible Values 
<time> | <percentage> | inherit
Example(s) 
h1 { pause: 20ms } /* pause-before: 20ms; pause-after: 20ms */
Previous- speak  |  Next-pause-after