Center text before button

Yes. It’s possible.
Set Horizontal Alignment option in Standard Interface section to Center.

• This reply was modified 7 years, 1 month ago by Heateor Support.

The custom css below you provided in the first place was indeed what I wanted to achieve.
Thank you very much.

div.heateor_sss_sharing_title{
    text-align: center;
}

Okay. No worries.