tweak captioned image style for mobile

Author: paregorios

src/isaw.theme/isaw/theme/static/theme.css

@@ -281,6 +281,11 @@ span.captioned, span.captioned * {
     max-height: unset;
     height: auto !important;
 }
+@media screen and (max-width:767px){
+    span.captioned, span.captioned * {
+        width: 100% !important;
+    }
+}
 
 #portal-column-first {display:block; float:left; margin:0 5% 0 0; width:24%; }
 #portal-columns #portal-column-first dl dd {margin-left:0; }