.mat-progress-spinner{background:#00000080;position:fixed!important;bottom:0;left:0;right:0;top:0;z-index:999;width:auto!important;height:auto!important}.mat-progress-spinner svg{width:80px!important;top:50%!important;left:50%!important;transform:translate(-50%,-50%)!important}.mat-progress-spinner circle,.mat-spinner circle{stroke:#007bff}