<div class="chat-form" fxFlex="0 0 auto" fxLayout="row" fxLayoutAlign="center center" > <form #replyForm="ngForm" (ngSubmit)="send($event)" (keydown.enter)="send($event)" fxFlex fxLayout="row" fxLayoutAlign="start center" > <mat-form-field class="message-text" fxFlex floatLabel="never" appearance="standard" > <textarea matInput #replyInput placeholder="Type your message" ngModel name="message" [rows]="1" [matTextareaAutosize]="true" ></textarea> </mat-form-field> <button class="send-message-button" mat-icon-button type="submit" aria-label="Send message" ></button> </form> </div>