fix mass_selection signal_assiduites_group

app/static/css/scodoc9_mobile.css

@@ -73,6 +73,12 @@
         flex-wrap: wrap;
     }
 
+    .mass-selection .rbtn {
+        --size: 35px;
+        width: var(--size) !important;
+        height: var(--size) !important;
+    }
+
     .etud_row {
         grid-template-columns: 2% 20% auto 25% !important;
         max-width: 350px;