This property specifies a sound to be played before speaking an element's content to delimit it from other. The possible values are −
- url − The URL of a sound file to be played.
- none − Nothing has to be played.
Example
You can try to run the following code to implement cue-before property in CSS
<style> <!-- a {cue-before: url("bell.aiff");} h1 {cue-before: url("pop.au"); } --> </style>