hopefully last cs tweaks

themes/default/static/css/main.css

@@ -250,7 +250,7 @@ p {
 
 
 /* MOBILE */
-@media (max-width:812px) {
+@media (max-width:767px) {
 	nav#menu {
 		width: auto;
 		text-align: auto;
@@ -289,11 +289,17 @@ p {
 		margin: 1.5em;
 	}
 
+	img,
+	video{
+		width: calc(100% + 3em);
+		margin: 2em 0 2em -1.5em;
+	}
+
 }
 
 
 /* TABLET */
-@media (min-width:813px and max-width:1024px) {
+@media (min-width:768px and max-width:1024px) {
 	nav#menu {
 		width: auto;
 		text-align: auto;