diff --git a/static/aerbimCSS.css b/static/aerbimCSS.css
index 171db94..61fcbb9 100644
--- a/static/aerbimCSS.css
+++ b/static/aerbimCSS.css
@@ -939,9 +939,14 @@ body.n_scroll{
     color: #000000;
 }
 
+.list_characters_widget_how_dev{
+    padding-left: 15px;
+}
+
 .list_characters_widget_how_dev > li{
     color: #000000;
     text-transform: unset;
+    list-style: '- ';
 }
 
 /*block present technology*/
@@ -1271,7 +1276,12 @@ body.n_scroll{
     font-size: 12px;
 }
 
-.error_input_html ul,li{
+.error_input_html > ul{
+    padding: 0;
+    margin: 0;
+    list-style: none;
+}
+.error_input_html > li{
     padding: 0;
     margin: 0;
     list-style: none;
diff --git a/static/aerbimJS.js b/static/aerbimJS.js
index 4a41031..3d9963d 100644
--- a/static/aerbimJS.js
+++ b/static/aerbimJS.js
@@ -205,25 +205,27 @@ function change_slide (index_this_slide,type,list_lenght,new_slide_inf){
 function autoPlaySlider () {
     let next_slide = null
     let new_slide = null
-    if (!autoplayInterval){
-        autoplayInterval = setInterval(function (){
-            let datainf_cont
-            let dataset = null
-            if (!new_slide){
-                datainf_cont = document.querySelector(".functions_btns_slider")
+    if (document.querySelector(".functions_btns_slider")){
+        if (!autoplayInterval){
+            autoplayInterval = setInterval(function (){
+                let datainf_cont
+                let dataset = null
+                if (!new_slide){
+                    datainf_cont = document.querySelector(".functions_btns_slider")
 
-            } else {
-                datainf_cont = new_slide.querySelector(".functions_btns_slider")
-            }
-            dataset = datainf_cont.dataset
-            if (dataset){
-                let index_this_slide = dataset['indexSlide']
-                let list_lenght = dataset['lenghtSlides']
-                new_slide = change_slide(index_this_slide,'next',list_lenght,'new_slide_inf')
-            }
-        },2000)
-    } else {
-        // autoPlaySlider()
+                } else {
+                    datainf_cont = new_slide.querySelector(".functions_btns_slider")
+                }
+                dataset = datainf_cont.dataset
+                if (dataset){
+                    let index_this_slide = dataset['indexSlide']
+                    let list_lenght = dataset['lenghtSlides']
+                    new_slide = change_slide(index_this_slide,'next',list_lenght,'new_slide_inf')
+                }
+            },2000)
+        } else {
+            // autoPlaySlider()
+        }
     }
 }