diff --git a/css/swad21.76.5.css b/css/swad21.76.5.css
index 542861df..32427117 100644
--- a/css/swad21.76.5.css
+++ b/css/swad21.76.5.css
@@ -2765,6 +2765,14 @@ table.CELLS_PAD_10	> tbody > tr > td {padding:10px;}
 .BIG_INDEX	{color:#808080; font-size:20pt; font-weight:bold;}
 .BIG_INDEX_RED	{color:#660000; font-size:20pt; font-weight:bold;}
 
+/******************************** Update links *******************************/
+.UPD
+	{
+	padding-top:12px;
+	text-align:center;
+	vertical-align:middle;
+	}
+
 /******************************** Projects ***********************************/
 .PRJ_LST_USR
 	{
diff --git a/swad_HTML.c b/swad_HTML.c
index c5535b32..6265ec99 100644
--- a/swad_HTML.c
+++ b/swad_HTML.c
@@ -1453,24 +1453,6 @@ void HTM_BUTTON_OnClick_Begin (const char *Title,const char *Class,const char *O
    HTM_BUTTON_NestingLevel++;
   }
 
-void HTM_BUTTON_Animated_Begin (const char *Title,const char *Class,const char *OnClick)
-  {
-   HTM_Txt ("<button type=\"submit\"");
-   if (Title)
-      if (Title[0])
-         HTM_TxtF (" title=\"%s\"",Title);
-   if (Class)
-      if (Class[0])
-         HTM_TxtF (" class=\"%s\"",Class);
-   HTM_Txt (" onclick=\"");
-   if (OnClick)	// JavaScript function to be called before when clicking the button
-      if (OnClick[0])
-         HTM_TxtF ("%s",OnClick);
-   HTM_TxtF ("AnimateIcon(%d);\">",Gbl.Form.Num);
-
-   HTM_BUTTON_NestingLevel++;
-  }
-
 void HTM_BUTTON_End (void)
   {
    if (HTM_BUTTON_NestingLevel == 0)	// No BUTTON open
diff --git a/swad_HTML.h b/swad_HTML.h
index 57c2ea50..225b7122 100644
--- a/swad_HTML.h
+++ b/swad_HTML.h
@@ -151,7 +151,6 @@ void HTM_INPUT_CHECKBOX (const char *Name,HTM_SubmitOnChange_t SubmitOnChange,
 void HTM_BUTTON_OnMouseDown_Begin (const char *Title,const char *Class);
 void HTM_BUTTON_OnSubmit_Begin (const char *Title,const char *Class,const char *OnSubmit);
 void HTM_BUTTON_OnClick_Begin (const char *Title,const char *Class,const char *OnClick);
-void HTM_BUTTON_Animated_Begin (const char *Title,const char *Class,const char *OnClick);
 void HTM_BUTTON_End (void);
 
 void HTM_TEXTAREA_Begin (const char *fmt,...);
diff --git a/swad_attendance.c b/swad_attendance.c
index d3d948dd..8a7156f9 100644
--- a/swad_attendance.c
+++ b/swad_attendance.c
@@ -2758,25 +2758,21 @@ static void Att_ListEventsToSelect (const struct Att_Events *Events,
 	    HTM_TR_End ();
 	   }
 
-	 /***** Put button to refresh *****/
-	 if (NormalView)
-	   {
-	    HTM_TR_Begin (NULL);
-
-	       HTM_TD_Begin ("colspan=\"5\" class=\"CM\"");
-		  HTM_BUTTON_Animated_Begin (Txt_Update_attendance,
-					     The_ClassFormLinkInBoxBold[Gbl.Prefs.Theme],
-					     NULL);
-		     Ico_PutCalculateIconWithText (Txt_Update_attendance);
-		  HTM_BUTTON_End ();
-	       HTM_TD_End ();
-
-	    HTM_TR_End ();
-	   }
-
       /***** End table *****/
       HTM_TABLE_End ();
 
+      /***** Put button to refresh *****/
+      if (NormalView)
+	{
+	 HTM_DIV_Begin ("class=\"UPD\"");
+	    HTM_BUTTON_OnSubmit_Begin (Txt_Update_attendance,
+				       The_ClassFormLinkInBoxBold[Gbl.Prefs.Theme],
+				       NULL);
+	       Ico_PutIconTextLink ("recycle.svg",Ico_BLACK,Txt_Update_attendance);
+	    HTM_BUTTON_End ();
+	 HTM_DIV_End ();
+	}
+
       /***** End form *****/
       if (NormalView)
 	 Frm_EndForm ();
diff --git a/swad_changelog.h b/swad_changelog.h
index 9e53a7e4..5ca7af10 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -602,10 +602,11 @@ TODO: FIX BUG, URGENT! En las fechas como par
 
 TODO: En las encuestas, que los estudiantes no puedan ver los resultados hasta que no finalice el plazo.
 */
-#define Log_PLATFORM_VERSION	"SWAD 21.76.5 (2021-12-29)"
+#define Log_PLATFORM_VERSION	"SWAD 21.77 (2021-12-29)"
 #define CSS_FILE		"swad21.76.5.css"
 #define JS_FILE			"swad21.67.4.js"
 /*
+	Version 21.77:    Dec 29, 2021  Animated recycle icon is changed by static icon. (322250 lines)
 	Version 21.76.5:  Dec 29, 2021  Working on design of dark theme. (322313 lines)
 	Version 21.76.4:  Dec 28, 2021  Working on design of dark theme. (322306 lines)
 	Version 21.76.3:  Dec 28, 2021  Working on design of dark theme. (322293 lines)
diff --git a/swad_config.h b/swad_config.h
index 626fb368..42cc61f9 100644
--- a/swad_config.h
+++ b/swad_config.h
@@ -531,7 +531,7 @@
 
 #define Cfg_TIME_TO_DELETE_OLD_NOTIF 			((time_t)(30UL * 24UL * 60UL * 60UL))	// Past these seconds, remove expired notifications
 
-#define Cfg_MIN_TIME_TO_RECOMPUTE_AVG_PHOTO		((time_t)(       12UL * 60UL * 60UL))	// After these seconds, users can recompute the average photos of a degree
+#define Cfg_MIN_TIME_TO_RECOMPUTE_AVG_PHOTO		((time_t)(          0 * 60UL * 60UL))	// After these seconds, users can recompute the average photos of a degree
 
 #define Cfg_MAX_TIME_TO_REMEMBER_LAST_ACTION_ON_LOGIN	((time_t)(        2UL * 60UL * 60UL))	// On login, if interval since last action is less than this time, remember last action
 
diff --git a/swad_exam_result.c b/swad_exam_result.c
index 2cb8b0aa..2024433b 100644
--- a/swad_exam_result.c
+++ b/swad_exam_result.c
@@ -647,21 +647,17 @@ static void ExaRes_ListExamsToSelect (struct Exa_Exams *Exams)
 	       HTM_TR_End ();
 	      }
 
-	    /***** Put button to refresh *****/
-	    HTM_TR_Begin (NULL);
+	    /***** End table *****/
+	    HTM_TABLE_End ();
 
-	       HTM_TD_Begin ("colspan=\"3\" class=\"CM\"");
-		  HTM_BUTTON_Animated_Begin (Txt_Update_results,
-					     The_ClassFormLinkInBoxBold[Gbl.Prefs.Theme],
-					     NULL);
-		     Ico_PutCalculateIconWithText (Txt_Update_results);
-		  HTM_BUTTON_End ();
-	       HTM_TD_End ();
-
-	    HTM_TR_End ();
-
-	 /***** End table *****/
-	 HTM_TABLE_End ();
+	    /***** Put link to refresh *****/
+	    HTM_DIV_Begin ("class=\"UPD\"");
+	       HTM_BUTTON_OnSubmit_Begin (Txt_Update_results,
+					  The_ClassFormLinkInBoxBold[Gbl.Prefs.Theme],
+					  NULL);
+		  Ico_PutIconTextLink ("recycle.svg",Ico_BLACK,Txt_Update_results);
+	       HTM_BUTTON_End ();
+	    HTM_DIV_End ();
 
       /***** End form *****/
       Frm_EndForm ();
diff --git a/swad_group.c b/swad_group.c
index c761dc86..3990ac4f 100644
--- a/swad_group.c
+++ b/swad_group.c
@@ -408,12 +408,12 @@ void Grp_ShowFormToSelectSeveralGroups (void (*FuncParams) (void *Args),void *Ar
       Grp_FreeListGrpTypesAndGrps ();
 
       /***** Submit button *****/
-      HTM_DIV_Begin ("class=\"CM\" style=\"padding-top:12px;\"");
-	 HTM_BUTTON_Animated_Begin (Txt_Update_users,
+      HTM_DIV_Begin ("class=\"UPD\"");
+	 HTM_BUTTON_OnSubmit_Begin (Txt_Update_users,
 				    The_ClassFormLinkInBoxBold[Gbl.Prefs.Theme],
 				    Gbl.Action.Act == ActReqMsgUsr ? "CopyMessageToHiddenFields();" :
 								     NULL);
-	    Ico_PutCalculateIconWithText (Txt_Update_users);
+	    Ico_PutIconTextLink ("recycle.svg",Ico_BLACK,Txt_Update_users);
 	 HTM_BUTTON_End ();
       HTM_DIV_End ();
 
diff --git a/swad_icon.c b/swad_icon.c
index c75db2e4..b92d780e 100644
--- a/swad_icon.c
+++ b/swad_icon.c
@@ -525,55 +525,6 @@ void Ico_PutIcon (const char *Icon,Ico_Color_t Color,const char *Title,const cha
 	    "class=\"%s%s%s\"",Class,CC[0] ? " " : "",CC);
   }
 
-/*****************************************************************************/
-/********** Put a icon to submit a form.                            **********/
-/********** When clicked, the icon will be replaced by an animation **********/
-/*****************************************************************************/
-
-void Ico_PutCalculateIcon (const char *Title)
-  {
-   /***** Begin container *****/
-   HTM_DIV_Begin ("class=\"CONTEXT_OPT ICO_HIGHLIGHT\"");
-
-      /***** Static icon *****/
-      HTM_IMG (Cfg_URL_ICON_PUBLIC,"recycle16x16.gif",Title,		// TODO: change name and resolution to refresh64x64.png
-	       "class=\"CONTEXT_ICO_16x16\" id=\"update_%d\"",Gbl.Form.Num);
-
-      /***** Animated icon *****/
-      HTM_IMG (Cfg_URL_ICON_PUBLIC,"working16x16.gif",Title,		// TODO: change name and resolution to refreshing64x64.gif
-	       "class=\"CONTEXT_ICO_16x16\" style=\"display:none;\""	// Animated icon hidden
-	       " id=\"updating_%d\"",Gbl.Form.Num);
-
-   /***** End container *****/
-   HTM_DIV_End ();
-  }
-
-/*****************************************************************************/
-/********** Put a icon with a text to submit a form.                **********/
-/********** When clicked, the icon will be replaced by an animation **********/
-/*****************************************************************************/
-
-void Ico_PutCalculateIconWithText (const char *Text)
-  {
-   /***** Begin container *****/
-   HTM_DIV_Begin ("class=\"ICO_HIGHLIGHT\" style=\"margin:0 6px 0 0; display:inline;\"");
-
-      /***** Static icon *****/
-      HTM_IMG (Cfg_URL_ICON_PUBLIC,"recycle16x16.gif",Text,
-	       "class=\"ICO20x20\" id=\"update_%d\"",Gbl.Form.Num);
-
-      /***** Animated icon *****/
-      HTM_IMG (Cfg_URL_ICON_PUBLIC,"working16x16.gif",Text,	// Animated icon
-	       "class=\"ICO20x20\" style=\"display:none;\""	// hidden
-	       " id=\"updating_%d\"",Gbl.Form.Num);
-
-      /***** Text *****/
-      HTM_TxtF ("&nbsp;%s",Text);
-
-   /***** End container *****/
-   HTM_DIV_End ();
-  }
-
 /*****************************************************************************/
 /******** Put a disabled icon indicating that removal is not allowed *********/
 /*****************************************************************************/
diff --git a/swad_icon.h b/swad_icon.h
index 690e65ee..d3fb570b 100644
--- a/swad_icon.h
+++ b/swad_icon.h
@@ -102,9 +102,6 @@ void Ico_PutIconOn (const char *Icon,Ico_Color_t Color,const char *Title);
 void Ico_PutIconOff (const char *Icon,Ico_Color_t Color,const char *Title);
 void Ico_PutIcon (const char *Icon,Ico_Color_t Color,const char *Title,const char *Class);
 
-void Ico_PutCalculateIcon (const char *Title);
-void Ico_PutCalculateIconWithText (const char *Text);
-
 void Ico_PutIconRemovalNotAllowed (void);
 
 void Ico_PutIconCut (void);
diff --git a/swad_match.c b/swad_match.c
index 5d9adc94..4b63b7c5 100644
--- a/swad_match.c
+++ b/swad_match.c
@@ -3335,7 +3335,8 @@ static void Mch_PutBigButtonClose (void)
    /***** Put icon with link *****/
    HTM_DIV_Begin ("class=\"MCH_BIGBUTTON_CONT\"");
       HTM_BUTTON_OnClick_Begin (Txt_Close,"BT_LINK MCH_BUTTON_ON ICO_DARKRED",
-                               "window.close();");
+                               "window.close();"
+                               "return false;");
 	 HTM_TxtF ("<i class=\"%s\"></i>",Mch_ICON_CLOSE);
       HTM_BUTTON_End ();
    HTM_DIV_End ();
diff --git a/swad_match_result.c b/swad_match_result.c
index 926a8ab7..f3b38976 100644
--- a/swad_match_result.c
+++ b/swad_match_result.c
@@ -603,22 +603,18 @@ static void MchRes_ListGamesToSelect (struct Gam_Games *Games)
 	       HTM_TR_End ();
 	      }
 
-	    /***** Put button to refresh *****/
-	    HTM_TR_Begin (NULL);
-
-	       HTM_TD_Begin ("colspan=\"3\" class=\"CM\"");
-		  HTM_BUTTON_Animated_Begin (Txt_Update_results,
-					     The_ClassFormLinkInBoxBold[Gbl.Prefs.Theme],
-					     NULL);
-		     Ico_PutCalculateIconWithText (Txt_Update_results);
-		  HTM_BUTTON_End ();
-	       HTM_TD_End ();
-
-	    HTM_TR_End ();
-
 	 /***** End table *****/
 	 HTM_TABLE_End ();
 
+	 /***** Put button to refresh *****/
+	 HTM_DIV_Begin ("class=\"UPD\"");
+	    HTM_BUTTON_OnSubmit_Begin (Txt_Update_results,
+				       The_ClassFormLinkInBoxBold[Gbl.Prefs.Theme],
+				       NULL);
+	       Ico_PutIconTextLink ("recycle.svg",Ico_BLACK,Txt_Update_results);
+	    HTM_BUTTON_End ();
+	 HTM_DIV_End ();
+
       /***** End form *****/
       Frm_EndForm ();
 
diff --git a/swad_message.c b/swad_message.c
index e2141d87..9c988192 100644
--- a/swad_message.c
+++ b/swad_message.c
@@ -1520,14 +1520,14 @@ static void Msg_ShowSntOrRcvMessages (struct Msg_Messages *Messages)
 
 	    Msg_ShowFormToFilterMsgs (Messages);
 
-	    /***** Contextual menu *****/
-	    Mnu_ContextMenuBegin ();
-	       HTM_BUTTON_Animated_Begin (Txt_Update_messages,
+	    /***** Put button to refresh *****/
+	    HTM_DIV_Begin ("class=\"UPD\"");
+	       HTM_BUTTON_OnSubmit_Begin (Txt_Update_messages,
 					  The_ClassFormLinkInBoxBold[Gbl.Prefs.Theme],
 					  NULL);
-		  Ico_PutCalculateIconWithText (Txt_Update_messages);	// Animated icon to update messages
+		  Ico_PutIconTextLink ("recycle.svg",Ico_BLACK,Txt_Update_messages);
 	       HTM_BUTTON_End ();
-	    Mnu_ContextMenuEnd ();
+	    HTM_DIV_End ();
 
 	 Frm_EndForm ();
 
diff --git a/swad_photo.c b/swad_photo.c
index f0ff1aa3..5aa8a492 100644
--- a/swad_photo.c
+++ b/swad_photo.c
@@ -2014,7 +2014,7 @@ static void Pho_PutLinkToCalculateDegreeStats (const struct Pho_DegPhotos *DegPh
       Deg_GetDataOfDegreeByCod (&Deg);
 
       /***** Contextual menu *****/
-      Mnu_ContextMenuBegin ();
+      HTM_DIV_Begin ("class=\"UPD\"");
 
 	 /* Begin form */
 	 Frm_BeginForm (ActCalPhoDeg);
@@ -2023,10 +2023,11 @@ static void Pho_PutLinkToCalculateDegreeStats (const struct Pho_DegPhotos *DegPh
 	    Pho_PutHiddenParamOrderDegrees (DegPhotos->HowOrderDegrees);
 	    Set_PutParamsPrefsAboutUsrList ();
 
-	    HTM_BUTTON_Animated_Begin (Txt_Calculate_average_photo_of_THE_DEGREE_X,
+	    /***** Put button to refresh *****/
+	    HTM_BUTTON_OnSubmit_Begin (Txt_Calculate_average_photo_of_THE_DEGREE_X,
 				       The_ClassFormLinkInBoxBold[Gbl.Prefs.Theme],
 				       NULL);
-	       Ico_PutCalculateIconWithText (Txt_Calculate_average_photo_of_THE_DEGREE_X);
+	       Ico_PutIconTextLink ("recycle.svg",Ico_BLACK,Txt_Calculate_average_photo_of_THE_DEGREE_X);
 	    HTM_BUTTON_End ();
 
 	    /* Selector with all degrees with students */
@@ -2062,7 +2063,8 @@ static void Pho_PutLinkToCalculateDegreeStats (const struct Pho_DegPhotos *DegPh
 
 	 /* End form and contextual menu */
 	 Frm_EndForm ();
-      Mnu_ContextMenuEnd ();
+
+      HTM_DIV_End ();
 
       /***** Free list of all degrees with students *****/
       Deg_FreeListDegs (&Degs);
diff --git a/swad_profile.c b/swad_profile.c
index 8936d676..43e89841 100644
--- a/swad_profile.c
+++ b/swad_profile.c
@@ -778,11 +778,14 @@ static void Prf_PutLinkCalculateFigures (const char *EncryptedUsrCod)
 
    Frm_BeginForm (ActCalFig);
       Usr_PutParamUsrCodEncrypted (EncryptedUsrCod);
-      HTM_BUTTON_Animated_Begin (Txt_Calculate,
+
+      /***** Put button to refresh *****/
+      HTM_BUTTON_OnSubmit_Begin (Txt_Calculate,
 				 The_ClassFormLinkOutBoxBold[Gbl.Prefs.Theme],
 				 NULL);
-	 Ico_PutCalculateIconWithText (Txt_Calculate);
+	 Ico_PutIconTextLink ("recycle.svg",Ico_BLACK,Txt_Calculate);
       HTM_BUTTON_End ();
+
    Frm_EndForm ();
   }
 
diff --git a/swad_text.c b/swad_text.c
index 015bbe2c..ca392477 100644
--- a/swad_text.c
+++ b/swad_text.c
@@ -3410,25 +3410,25 @@ const char *Txt_Calculate =
 	"Calcular";
 #endif
 
-const char *Txt_Calculate_average_photo_of_THE_DEGREE_X =
+const char *Txt_Calculate_average_photo_of_THE_DEGREE_X =	// Warning: should end in space
 #if   L==1	// ca
-	"Calcular fotografia mitjana de";
+	"Calcular fotografia mitjana de ";
 #elif L==2	// de
-	"Calculate average photo of";			// Need Übersetzung
+	"Berechnen Sie das durchschnittliche Foto von ";
 #elif L==3	// en
-	"Calculate average photo of";
+	"Calculate average photo of ";
 #elif L==4	// es
-	"Calcular fotograf&iacute;a promedio de";
+	"Calcular fotograf&iacute;a promedio de ";
 #elif L==5	// fr
-	"Calculate average photo of";			// Besoin de traduction
+	"Calculer la photo moyenne de ";
 #elif L==6	// gn
-	"Calcular fotograf&iacute;a promedio de";	// Okoteve traducción
+	"Calcular fotograf&iacute;a promedio de ";	// Okoteve traducción
 #elif L==7	// it
-	"Calcolare la media della foto di";
+	"Calcolare la media della foto di ";
 #elif L==8	// pl
-	"Obliczyc &sacute;rednia zdjecie";
+	"Obliczyc &sacute;rednia zdjecie ";
 #elif L==9	// pt
-	"Calcular a foto m&eacute;dia de";
+	"Calcular a foto m&eacute;dia de ";
 #endif
 
 const char *Txt_Calendar =
diff --git a/swad_timeline_comment.c b/swad_timeline_comment.c
index 097fd3bd..00c13d97 100644
--- a/swad_timeline_comment.c
+++ b/swad_timeline_comment.c
@@ -509,7 +509,7 @@ static void Tml_Com_PutIconToToggleComms (const char *UniqueId,
    char *OnClick;
 
    /***** Build onclick text *****/
-   if (asprintf (&OnClick,"toggleComments('%s')",UniqueId) < 0)
+   if (asprintf (&OnClick,"toggleComments('%s');return false;",UniqueId) < 0)
       Err_NotEnoughMemoryExit ();
 
    /***** Link to toggle on/off some divs *****/
diff --git a/swad_timeline_publication.c b/swad_timeline_publication.c
index 85bc9770..e8bfab43 100644
--- a/swad_timeline_publication.c
+++ b/swad_timeline_publication.c
@@ -493,35 +493,23 @@ void Tml_Pub_PutLinkToViewNewPubs (void)
 
 void Tml_Pub_PutLinkToViewOldPubs (void)
   {
-   extern const char *The_ClassFormInBoxBold[The_NUM_THEMES];
+   extern const char *The_ClassFormLinkInBoxBold[The_NUM_THEMES];
    extern const char *Txt_See_more;
 
-   /***** Animated link to view old publications *****/
-   /* Begin container */
+   /***** Begin container *****/
    HTM_DIV_Begin ("id=\"view_old_pubs_container\""
 	          " class=\"Tml_WIDTH Tml_SEP VERY_LIGHT_BLUE\"");
 
-      /* Begin anchor */
-      HTM_A_Begin ("href=\"\" class=\"%s\" onclick=\""
-		   "document.getElementById('get_old_timeline').style.display='none';"	// Icon to be hidden on click
-		   "document.getElementById('getting_old_timeline').style.display='';"	// Icon to be shown on click
-		   "refreshOldTimeline();"
-		   "return false;\"",
-		   The_ClassFormInBoxBold[Gbl.Prefs.Theme]);
 
-         /* Icon and text */
-	 HTM_IMG (Cfg_URL_ICON_PUBLIC,"recycle16x16.gif","Txt_See_more",
-		  "class=\"ICO20x20\" id=\"get_old_timeline\"");
-	 HTM_IMG (Cfg_URL_ICON_PUBLIC,"working16x16.gif",Txt_See_more,
-		  "class=\"ICO20x20\" style=\"display:none;\" id=\"getting_old_timeline\"");	// Animated icon hidden
-	 HTM_IMG (Cfg_URL_ICON_PUBLIC,"recycle16x16.gif","Txt_See_more",
-		  "class=\"ICO20x20\" style=\"display:none;\" id=\"get_old_timeline\"");
-	 HTM_TxtF ("&nbsp;%s",Txt_See_more);
+      /***** Put button to refresh *****/
+      HTM_BUTTON_OnClick_Begin (Txt_See_more,
+				The_ClassFormLinkInBoxBold[Gbl.Prefs.Theme],
+				"refreshOldTimeline();"
+				"return false;");
+	 Ico_PutIconTextLink ("recycle.svg",Ico_BLACK,Txt_See_more);
+      HTM_BUTTON_End ();
 
-      /* End anchor */
-      HTM_A_End ();
-
-   /* End container */
+   /***** End container *****/
    HTM_DIV_End ();
   }