[buffer_overlord]

is there no sound?

[amarant]

Is there a way to produce sound using CSS?

[pwdisswordfishq]

    @media speech {
        body {
            cue-before: url(/path/to/sound.ogg);
        }
    }

https://www.w3.org/TR/CSS2/aural.html

[Waterluvian]

Only screams.

[circadian]

Best. Comment. Ever

[rofko]

You should be able to enable sounds with the M shortcut or through the Options menu.