.fa-hatebu:before {
  content: 'B!';
  font-family: verdana ;
  font-weight: bold;
}

.fa-hatebu-square:before
{
  content: 'B!';
  font-family: verdana ;
  font-weight: bold;
  vertical-align: 2.5px;
  padding: 1.0px 1.5px;
  font-size: 20px;
  border-radius: 10%;
  color: #ffffff;
  background: #000000;
}