.group:after {
  content: "";
  display: table;
  clear: both;
}

.kb_buttons {
  font-family: freemono;
  background: #d3d3d3;
  color: #101080;
  float: left;
  text-align: center;
  text-decoration: none;
  font-size: 24px;
/*  font-weight: bold; */
  padding: 5px 8px 5px 8px;
  margin:  5px 8px 5px 8px;
  border: 1px solid black;
  border-radius: 3px;
  width: 30px;
  }

.kb_button, .kb_space {
    width: 582px;
    height: 30px;
	margin-top: 10px;
  }

.kb_button, .kb_clear {
    width: 76px;
  }

.kb_button, .kb_bs {
    width: 76px;
  }

/*
#heb_input {
  font-size: 32;
  height: 48px;
  width: 250px;
  border: 1px solid black;
  margin-bottom:  20px;
}
  */