$mat-card-header-size: 40px !default; .my-mat-card-avatar { height: $mat-card-header-size; width: $mat-card-header-size; border-radius: 50%; flex-shrink: 0; } .progress-bar { top: 70px; left: 0; position: absolute; width: 100%; z-index: 1; } .fixed-navbar { position: fixed; z-index: 1000; }