change mat-teb group height code example
Example: mat-tab height 100
<mat-tab-group class="mat-tab-group">
<mat-tab-header class="mat-tab-header"><!-- HEADERS HERE--></mat-tab-header>
<div class="mat-tab-body-wrapper">
<mat-tab-body class="mat-tab-body" role="tabpanel">
<div class="mat-tab-body-content"><!-- TAB CONTENT HERE --></div>
</mat-tab-body>
<!-- MORE TAB BODIES... -->
</div>
</mat-tab-group>