Change file input to material button

src/app/components/profile/fileUpload/fileUploadDialog.component.html

@@ -1,7 +1,8 @@
 <div id="file-upload-dialog">
   <h1 mat-dialog-title align="center">Upload a new Profile picture!</h1>
   <div class="uploadDialogContent" mat-dialog-content>
-    <input type="file" accept="image/*" (change)="onFileInputChange($event)" #name>
+    <input style="display: none" id="input-file" type="file" accept="image/*" (change)="onFileInputChange($event)" #name>
+    <label for="input-file" class="mat-button mat-raised-button mat-primary">Choose File</label>
     <div id="inputPreviewWrapper">
       <h2 *ngIf="localFileUrl">Preview:</h2>
       <img *ngIf="localFileUrl" id="inputPreview" [src]="localFileUrl"/>