Fix header-title alignment calculation, remove redundant style

skins/elastic/styles/widgets/lists.less

@@ -14,7 +14,6 @@
 .listing {
     tbody td,
     li {
-        display: block;
         border-bottom: 1px solid @color-list-border;
         cursor: default;
         font-weight: normal;
@@ -99,7 +98,6 @@ table.listing {
 }
 
 ul.listing {
-    display: block;
     list-style: none;
     margin: 0;
     padding: 0;

skins/elastic/styles/widgets/messages.less

@@ -61,6 +61,7 @@
 /*    box-shadow: 1px 1px 2px @color-message-shadow; */
     background-color: @color-message-background;
     display: flex;
+    align-items: center;
 
     @media screen and (max-width: @screen-width-xs) {
         margin-bottom: 0;

skins/elastic/ui.js

@@ -926,7 +926,7 @@ function rcube_elastic_ui()
             }
             else {
                 left = 0;
-                right = sizes.left - padding + sizes.right;
+                right = sizes.left - (padding + sizes.right);
             }
 
             $(title).css({