.btn_parts_sp{font-family:Arial;width:17px;height:17px;margin:0;padding:0;position:absolute;top:0;left:2px;cursor:pointer;background:rgba(0,0,0,0);border:none}.btn_parts_sp:after,.btn_parts_sp:before{content:"";position:absolute;top:50%;left:50%;width:3px;height:17px;background:#000}.btn_parts_sp:before{transform:translate(-50%,-50%) rotate(45deg)}.btn_parts_sp:after{transform:translate(-50%,-50%) rotate(-45deg)}@media screen and (min-width:599px){#im_panel{display:none}}