look at the bbpress default stylesheet , then look at your stargazer child themes bbpress stylesheet and see what you need.
heres some code that you might need …i dont know right all that you need
#bbpress-forums div.bbp-reply-content {
margin-left: 130px;
padding: 12px 12px 12px 0;
text-align: left;
}
#bbpress-forums div.bbp-reply-author {
float: left;
text-align: center;
width: 115px;
}