.sidebar-expand::before{font-family:inherit!important;content:""!important;display:inline-block;width:0;height:0;border-left:5px solid #fff0;border-right:5px solid #fff0;border-top:6px solid #555;vertical-align:middle;margin-left:5px}.sidebar-close::before{font-family:inherit!important;content:""!important;display:inline-block;width:0;height:0;border-left:5px solid #fff0;border-right:5px solid #fff0;border-bottom:6px solid #555;vertical-align:middle;margin-left:5px}