Annotations : flexible width and height

annotations/static/annotations/app.css

@@ -4,6 +4,8 @@
 * Class names corresponding to server-side list names
 * To display another list name, please add a new class under this
 */
+
+
 .MiamList {
   color: black;
   background-color: rgba(60, 118, 61, 0.5);
@@ -44,17 +46,24 @@
 }
 
 .main-panel, .text-panel, .words-panel {
-  height: 800px;
   margin: 10px 0;
 }
 
+#annotationsApp {
+  min-width: 780px;
+}
+
+.words-panel {
+  min-width: 220px;
+}
+
 .text-panel {
   overflow-y: auto;
+  min-width: 400px;
 }
 
 .words-list {
   margin-bottom: 5px;
-  height: 250px;
 }
 
 .keyword-text {