#extra_header {
  max-width: 640px;
  margin: 0 auto;
}
#group_prof {
  margin-bottom: 20px;
}
#group_prof .section_bdy {
  background: url(../img/profile/group_prof/section_bdy.jpg) repeat-y 50% top / 100% auto;
}
#group_prof .section_ftr {
  background: url(../img/profile/group_prof/section_ftr.jpg) no-repeat 50% bottom / 100% auto;
}
#group_prof .section_hdr {
  padding: 0 0 50px;
}
#group_prof .detail_txt{
  margin: 0 auto;
  width: calc(100% - 36px);
  text-align: justify;
  line-height: 1.5;
  font-size: 16px;
}
#group_prof .detail_txt h3{
  margin: 20px 0;
}