.bs-page-not-found-header{height:60px;left:calc(50% - 140px);position:absolute;top:100px;width:250px}.bs-page-not-found-body{height:calc(100% - 320px);left:0;position:absolute;top:160px;width:100%}.bs-page-not-found-footer{bottom:100px;height:60px;left:calc(50% - 145px);position:absolute;text-align:center;width:290px}.bs-page-not-found-footer span{display:inline-block;width:100%}