[class^="buttonicon-"], [class*=" buttonicon-"] {
  font-family: 'fontawesome-custom';
  font-style: normal;
  font-weight: normal;

  /* fix buttons height */
  line-height: 1em;

  /* you can be more comfortable with increased icons size */
  /* font-size: 120%; */
}

.buttonicon-grip-lines-diagonal { *zoom: expression( this.runtimeStyle['zoom'] = '1', this.innerHTML = ' '); }
.buttonicon-exclamation-triangle-solid { *zoom: expression( this.runtimeStyle['zoom'] = '1', this.innerHTML = ' '); }
.buttonicon-desktop { *zoom: expression( this.runtimeStyle['zoom'] = '1', this.innerHTML = ' '); }
.buttonicon-desktop-slash { *zoom: expression( this.runtimeStyle['zoom'] = '1', this.innerHTML = ' '); }