- Fix adding comments.

- Added some working layout changes from https://github.com/wekan/wekan/pull/2920.
- Fixed Card Settings not working at Sandstorm.

Thanks to 2020product xet7 !

Closes #2918,
closes https://github.com/wekan/wekan/pull/2920

client/components/activities/activities.styl

@@ -9,7 +9,7 @@
   clear: both
 
   .activity
-    margin: 10px 0
+    margin: 0.5px 0
     display: flex
 
     .member

client/components/activities/comments.styl

@@ -46,3 +46,23 @@
 
     &:is-open
       cursor: auto
+
+.comment-item
+  background-color: #fff
+  border: 0
+  box-shadow: 0 1px 2px rgba(0, 0, 0, .23)
+  color: #8c8c8c
+  height: 36px
+  margin: 4px 4px 6px 0
+  width: 92%
+
+  &:hover
+    background: darken(white, 12%)
+
+  &.add-comment
+    display: flex
+    margin: 5px
+
+    a
+      display: block
+      margin: auto