[ticket/15769] Crop avatars on upload

PHPBB3-15769

phpBB/adm/style/admin.css

@@ -1708,6 +1708,7 @@ input.autowidth {
 
 /* Form button styles
 ---------------------------------------- */
+.button,
 a.button1,
 input.button1,
 a.button2,
@@ -1721,6 +1722,7 @@ input.button2 {
 	cursor: pointer;
 }
 
+.button,
 a.button1,
 input.button1 {
 	font-weight: bold;
@@ -1734,6 +1736,10 @@ input.button2 {
 }
 
 /* <a> button in the style of the form buttons */
+.button,
+.button:link,
+.button:visited,
+.button:active,
 a.button1,
 a.button1:link,
 a.button1:visited,
@@ -1748,6 +1754,7 @@ a.button2:active {
 }
 
 /* Hover states */
+.button:hover,
 a.button1:hover,
 input.button1:hover,
 a.button2:hover,
@@ -1768,6 +1775,37 @@ input.button2:focus {
 	outline-style: none;
 }
 
+/* Avatar cropper */
+.avatar-cropper-buttons {
+	text-align: center;
+	display: none;
+}
+
+/** Button groups */
+.button-group {
+	display: inline-block;
+}
+
+.button-group + .button-group {
+	margin-left: 8px;
+}
+
+.button-group > .button:first-child {
+	border-radius: 4px 0 0 4px;
+}
+
+.button-group > .button:last-child {
+	border-radius: 0 4px 4px 0;
+}
+
+.button-group > .button:not(:first-child):not(:last-child) {
+	border-radius: 0;
+}
+
+.avatar-cropper-buttons > .button-group {
+	margin: 4px;
+}
+
 /* jQuery popups
 ---------------------------------------- */
 .phpbb_alert {