diff --git src/wp-includes/css/media-views.css src/wp-includes/css/media-views.css
index ec69650..4c6b5f7 100644
--- src/wp-includes/css/media-views.css
+++ src/wp-includes/css/media-views.css
@@ -238,6 +238,17 @@
 	float: left;
 	height: 100%;
 	max-width: 66%;
+	padding-right: 20px;
+	position: relative;
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing: border-box;
+	box-sizing: border-box;
+}
+
+.media-toolbar-secondary .spinner {
+	position: absolute;
+	right: 0px;
+	top: 0px;
 }
 
 .media-toolbar-primary > .media-button,
@@ -2354,7 +2365,7 @@
 	}
 
 	.media-modal .attachments-browser .media-toolbar .spinner {
-		margin: 14px 8px 0;
+		margin: 14px 0 0;
 	}
 
 	/* Text inputs need to be 16px, or they force zooming on iOS */