adding styles for aligning AVRE videos

css/oeru_course_core_alter.css

@@ -782,3 +782,35 @@ table.oeru2 pre {
 .bff-form .entry-and-comments.container .entry-content {
         background-color: #fefefe;
 }
+
+/* responsive videos - youtube and vimeo, etc */
+
+/* arve solution - see https://wordpress.org/support/plugin/advanced-responsive-video-embedder/ */
+#arve .arve-wrapper.alignright {
+	margin-left: auto !important;
+}
+
+#arve .arve-wrapper.aligncenter {
+	margin: auto !important;
+}
+
+
+/* reference: https://www.wpstuffs.com/youtube-videos-responsive-wordpress/
+/*
+.weYouTube-wrapper {
+	position: relative;
+	padding-bottom: 56.25%;
+	padding-top: 30px;
+	height: 0;
+	overflow: hidden;
+}
+.weYouTube-wrapper iframe,  
+.weYouTube-wrapper object,  
+.weYouTube-wrapper embed {
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 100%;
+	height: 100%;
+}*/
+