<mat-card class="coverage-card">
 <mat-card-content>
   <form>
     <mat-form-field appearance="outline" class="address-zip white-text">
       <mat-label>Square Footage</mat-label>
       <input type="number" matInput>
     </mat-form-field>
   </form>
 </mat-card-content>
</mat-card>

.coverage-card{
    min-width: 400px;
    max-width: 620px;
    background-color: #FF6A13;
    height: 575px;
    border-radius: 20px;
}

.address-zip{
    max-width: 190px;
    margin-right: 10px;
}

.white-text{
    color: white;
}