diff --git a/phpBB/styles/prosilver/template/posting_pm_header.html b/phpBB/styles/prosilver/template/posting_pm_header.html
index aecd98eacc..6b03febeec 100644
--- a/phpBB/styles/prosilver/template/posting_pm_header.html
+++ b/phpBB/styles/prosilver/template/posting_pm_header.html
@@ -77,8 +77,12 @@
 						<ul class="recipients">
 							<!-- BEGIN to_recipient -->
 							<li>
-								<!-- IF to_recipient.IS_GROUP --><a href="{to_recipient.U_VIEW}"><strong>{to_recipient.NAME}</strong></a><!-- ELSE -->{to_recipient.NAME_FULL}<!-- ENDIF -->&nbsp;
-								<!-- IF not S_EDIT_POST --><input type="submit" name="remove_{to_recipient.TYPE}[{to_recipient.UG_ID}]" value="x" class="button2" /><!-- ENDIF -->
+								<!-- IF not S_EDIT_POST -->
+									<button type="submit" name="remove_{to_recipient.TYPE}[{to_recipient.UG_ID}]">
+										<i class="icon fa-times icon-red" aria-hidden="true"></i><span class="sr-only">{L_REMOVE}</span>
+									</button>
+								<!-- ENDIF -->
+								<!-- IF to_recipient.IS_GROUP --><a href="{to_recipient.U_VIEW}"><strong>{to_recipient.NAME}</strong></a><!-- ELSE -->{to_recipient.NAME_FULL}<!-- ENDIF -->
 							</li>
 							<!-- END to_recipient -->
 						</ul>
diff --git a/phpBB/styles/prosilver/theme/common.css b/phpBB/styles/prosilver/theme/common.css
index eaa9cf332a..dc4d7e07bd 100644
--- a/phpBB/styles/prosilver/theme/common.css
+++ b/phpBB/styles/prosilver/theme/common.css
@@ -783,7 +783,7 @@ fieldset.fields1 dd.recipients {
 fieldset.fields1 ul.recipients input.button2 {
 	font-size: 0.8em;
 	margin-right: 0;
-	padding: 0 2px;
+	padding: 0;
 }
 
 fieldset.fields1 dl.pmlist > dt {