diff --git a/package-lock.json b/package-lock.json
index 71ce1e51c..9e6ec88b6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1951,9 +1951,9 @@
       }
     },
     "buefy": {
-      "version": "0.8.5",
-      "resolved": "https://registry.npmjs.org/buefy/-/buefy-0.8.5.tgz",
-      "integrity": "sha512-yGQUhIsZWTodCx1rpfDTA32v5OjILpDIDAP+X6KoE6du3F3EZwJ/k5aT8D6Ba6AxNzVdDa2M7f0hzMddLbm38A==",
+      "version": "0.8.6",
+      "resolved": "https://registry.npmjs.org/buefy/-/buefy-0.8.6.tgz",
+      "integrity": "sha512-7woxrdwANcnJbe7lofPxkJLGRRGIVwFXOo0kzEpiNB6alQj18NV6UrdAKse+LWCOADz+AeHe5gyc6qdgRjG5mw==",
       "requires": {
         "bulma": "0.7.5"
       }
diff --git a/package.json b/package.json
index 31ca65333..9adf8c99c 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "axios": "^0.19.0",
-    "buefy": "^0.8.5",
+    "buefy": "^0.8.6",
     "bulma": "^0.7.5",
     "mdi": "^2.2.43",
     "moment": "^2.22.2",
diff --git a/src/admin/components/edition/importer-mapping-form.vue b/src/admin/components/edition/importer-mapping-form.vue
index c60e0bdfc..c64fd3f4f 100644
--- a/src/admin/components/edition/importer-mapping-form.vue
+++ b/src/admin/components/edition/importer-mapping-form.vue
@@ -93,7 +93,9 @@
                     <b-modal 
                             @close="onMetadatumEditionCanceled()"
                             :active.sync="isNewMetadatumModalActive"
-                            trap-focus>
+                            trap-focus
+                            aria-modal
+                            aria-role="dialog">
                         <div 
                                 autofocus="true"
                                 tabindex="-1"
diff --git a/src/admin/components/edition/item-edition-form.vue b/src/admin/components/edition/item-edition-form.vue
index 00fc86c19..e4c3bd74c 100644
--- a/src/admin/components/edition/item-edition-form.vue
+++ b/src/admin/components/edition/item-edition-form.vue
@@ -213,7 +213,9 @@
                                 :active.sync="isTextModalActive"
                                 :width="640"
                                 scroll="keep"
-                                trap-focus>
+                                trap-focus
+                                aria-modal
+                                aria-role="dialog">
                             <div class="tainacan-modal-content">
                                 <div class="tainacan-modal-title">
                                     <h2>{{ $i18n.get('instruction_write_text') }}</h2>
@@ -250,11 +252,11 @@
                                 :active.sync="isURLModalActive"
                                 :width="640"
                                 scroll="keep"
-                                trap-focus                
-                                autofocus
+                                trap-focus   
                                 role="dialog"
                                 tabindex="-1"
-                                aria-modal>
+                                aria-modal
+                                aria-role="dialog">
                             <div class="tainacan-modal-content">
                                 <div class="tainacan-modal-title">
                                     <h2>{{ $i18n.get('instruction_insert_url') }}</h2>
diff --git a/src/admin/components/lists/filters-list.vue b/src/admin/components/lists/filters-list.vue
index 4c7a0030c..e8585add0 100644
--- a/src/admin/components/lists/filters-list.vue
+++ b/src/admin/components/lists/filters-list.vue
@@ -235,7 +235,9 @@
                 ref="filterTypeModal"
                 :width="680"
                 :active.sync="isSelectingFilterType"
-                trap-focus>
+                trap-focus
+                aria-modal
+                aria-role="dialog">
             <div 
                     autofocus
                     role="dialog"
diff --git a/src/admin/components/lists/metadata-list.vue b/src/admin/components/lists/metadata-list.vue
index 579980258..dbe24e054 100644
--- a/src/admin/components/lists/metadata-list.vue
+++ b/src/admin/components/lists/metadata-list.vue
@@ -371,7 +371,9 @@
                         <b-modal
                                 @close="onCancelNewMetadataMapperMetadata"
                                 :active.sync="isMapperMetadataCreating"
-                                trap-focus>
+                                trap-focus
+                                aria-modal
+                                aria-role="dialog">
                             <div 
                                     autofocus
                                     role="dialog"
diff --git a/src/admin/components/other/document-item.vue b/src/admin/components/other/document-item.vue
index 38790c0ec..03d0acca0 100644
--- a/src/admin/components/other/document-item.vue
+++ b/src/admin/components/other/document-item.vue
@@ -12,7 +12,9 @@
         <b-modal
                 :active.sync="isPreviewModalActive"
                 scroll="keep"
-                trap-focus>
+                trap-focus
+                aria-modal
+                aria-role="dialog">
             <!-- <div class="tainacan-modal-content">
                 <div class="tainacan-modal-title">
                     <h2>{{ $i18n.get('label_document') }}</h2>
diff --git a/src/admin/components/other/file-item.vue b/src/admin/components/other/file-item.vue
index 0613f9bc9..abf40bb02 100644
--- a/src/admin/components/other/file-item.vue
+++ b/src/admin/components/other/file-item.vue
@@ -33,7 +33,9 @@
                     :active.sync="isPreviewModalActive"
                     :width="1024"
                     scroll="keep"
-                    trap-focus>
+                    trap-focus
+                    aria-modal
+                    aria-role="dialog">
                 <div 
                         autofocus
                         role="dialog"
diff --git a/src/admin/js/main.js b/src/admin/js/main.js
index 54eae30ef..c84d11662 100644
--- a/src/admin/js/main.js
+++ b/src/admin/js/main.js
@@ -59,7 +59,7 @@ import FormNumericListInterval from '../../classes/filter-types/numeric-list-int
 
 // Configure and Register Plugins
 Vue.use(Buefy, {
-    defaultTooltipAnimated: true   
+    defaultTooltipAnimated: true  
 });
 Vue.use(VTooltip);
 Vue.use(VueMasonry);
diff --git a/src/admin/pages/lists/activities-page.vue b/src/admin/pages/lists/activities-page.vue
index f893e1675..9dfcd8c48 100644
--- a/src/admin/pages/lists/activities-page.vue
+++ b/src/admin/pages/lists/activities-page.vue
@@ -43,6 +43,7 @@
                                 :date-parser="(date) => dateParser(date)"
                                 size="is-small"
                                 icon="calendar-today"
+                                :years-range="[-50, 3]"
                                 :day-names="[
                                     $i18n.get('datepicker_short_sunday'),
                                     $i18n.get('datepicker_short_monday'),
diff --git a/src/admin/pages/lists/items-page.vue b/src/admin/pages/lists/items-page.vue
index e85c9dced..2a0db1b5a 100644
--- a/src/admin/pages/lists/items-page.vue
+++ b/src/admin/pages/lists/items-page.vue
@@ -818,7 +818,9 @@
                 :active.sync="isFilterModalActive"
                 :width="736"
                 animation="slide-menu"
-                trap-focus>
+                trap-focus
+                aria-modal
+                aria-role="dialog">
             <div 
                     ref="filters-mobile-modal"
                     class="modal-inner-content"
diff --git a/src/admin/pages/lists/term-items-page.vue b/src/admin/pages/lists/term-items-page.vue
index 3e754121b..79a109345 100644
--- a/src/admin/pages/lists/term-items-page.vue
+++ b/src/admin/pages/lists/term-items-page.vue
@@ -796,7 +796,9 @@
                 :active.sync="isFilterModalActive"
                 :width="736"
                 animation="slide-menu"
-                trap-focus>
+                trap-focus
+                aria-modal
+                aria-role="dialog">
             <div
                     autofocus="true"
                     tabindex="-1"
diff --git a/src/admin/scss/_variables.scss b/src/admin/scss/_variables.scss
index e9b15d4ac..dcce3f443 100644
--- a/src/admin/scss/_variables.scss
+++ b/src/admin/scss/_variables.scss
@@ -111,8 +111,9 @@ $addColors: (
 );
 $colors: map-merge($colors, $addColors);
 
-// Small size
+// Bulma Variables
 $size-small: 0.85em; // 0.75em on Bulma.
+$dropdown-mobile-breakpoint: $tablet;
 
 // Tainacan Header and side menus
 $header-height: 52px;
diff --git a/src/classes/filter-types/custom-interval/CustomInterval.vue b/src/classes/filter-types/custom-interval/CustomInterval.vue
index fb08270c6..20dc5e07f 100644
--- a/src/classes/filter-types/custom-interval/CustomInterval.vue
+++ b/src/classes/filter-types/custom-interval/CustomInterval.vue
@@ -13,6 +13,7 @@
                     :date-formatter="(date) => dateFormatter(date)"
                     :date-parser="(date) => dateParser(date)"
                     icon="calendar-today"
+                    :years-range="[-200, 50]"
                     :day-names="[
                         $i18n.get('datepicker_short_sunday'),
                         $i18n.get('datepicker_short_monday'),
@@ -34,6 +35,7 @@
                     :date-formatter="(date) => dateFormatter(date)"
                     :date-parser="(date) => dateParser(date)"
                     icon="calendar-today"
+                    :years-range="[-200, 50]"
                     :day-names="[
                         $i18n.get('datepicker_short_sunday'),
                         $i18n.get('datepicker_short_monday'),
diff --git a/src/classes/filter-types/date-interval/DateInterval.vue b/src/classes/filter-types/date-interval/DateInterval.vue
index d21393746..d6fa88c37 100644
--- a/src/classes/filter-types/date-interval/DateInterval.vue
+++ b/src/classes/filter-types/date-interval/DateInterval.vue
@@ -11,6 +11,7 @@
                 :date-formatter="(date) => dateFormatter(date)"
                 :date-parser="(date) => dateParser(date)"
                 icon="calendar-today"
+                :years-range="[-200, 100]"
                 :day-names="[
                     $i18n.get('datepicker_short_sunday'),
                     $i18n.get('datepicker_short_monday'),
@@ -32,6 +33,7 @@
                 :date-formatter="(date) => dateFormatter(date)"
                 :date-parser="(date) => dateParser(date)"
                 icon="calendar-today"
+                :years-range="[-200, 50]"
                 :day-names="[
                     $i18n.get('datepicker_short_sunday'),
                     $i18n.get('datepicker_short_monday'),
diff --git a/src/classes/filter-types/date/Date.vue b/src/classes/filter-types/date/Date.vue
index 5f0ad7c86..464c08029 100644
--- a/src/classes/filter-types/date/Date.vue
+++ b/src/classes/filter-types/date/Date.vue
@@ -78,6 +78,7 @@
                 :date-parser="(date) => dateParser(date)"
                 size="is-small"
                 icon="calendar-today"
+                :years-range="[-200, 50]"
                 :day-names="[
                     $i18n.get('datepicker_short_sunday'),
                     $i18n.get('datepicker_short_monday'),