hardcode minimum width values

scheduler/main/static/style.css

@@ -8,6 +8,27 @@
     overflow-x: auto;
 }
 .full-width > * {
-    width: auto;
+    width: 100%;
     margin: 0 auto;
 }
+@media (min-width: 576px) {
+    .full-width > * {
+        width: auto;
+        min-width: 510px
+    }
+}
+@media (min-width: 768px) {
+    .full-width > * {
+        min-width: 690px
+    }
+}
+@media (min-width: 992px) {
+    .full-width > * {
+        min-width: 930px
+    }
+}
+@media (min-width: 1200px) {
+    .full-width > * {
+        min-width: 1110px
+    }
+}