Fixed web_timeline.css

CSS classes have changed with the updated version of vis.js

web_timeline/__manifest__.py

@@ -5,7 +5,7 @@
 {
     'name': "Web timeline",
     'summary': "Interactive visualization chart to show events in time",
-    "version": "10.0.1.2.0",
+    "version": "10.0.1.2.1",
     'author': 'ACSONE SA/NV, '
               'Tecnativa, '
               'Monk Software, '

web_timeline/static/src/css/web_timeline.css

@@ -4,12 +4,12 @@
 }
 
 /* very light gray background in weekends */
-.vis.timeline .timeaxis .grid.saturday,
-.vis.timeline .timeaxis .grid.sunday {
+.vis-timeline .vis-grid.vis-saturday,
+.vis-timeline .vis-grid.vis-sunday {
     background: #DCDCDC;
 }
 
-.vis.timeline .item.range .content {
+.vis-item .vis-item-overflow {
     overflow: visible;
 }