diff --git a/webapps/ui/common/styles/_three-cols-layout.less b/webapps/ui/common/styles/_three-cols-layout.less
index 72cca40d069..0365f246e3d 100644
--- a/webapps/ui/common/styles/_three-cols-layout.less
+++ b/webapps/ui/common/styles/_three-cols-layout.less
@@ -237,8 +237,8 @@
     .column-center {
       z-index: 2;
       left: @left-width;
-      right: 100%;
-      margin-right: (0 - (@left-width + @center-width + (@grid-gutter-width * 0)));
+      margin-right: (0 - @center-width);
+      width: @center-width;
     }
 
     .column-right {
@@ -286,7 +286,7 @@
 
   .list-column-close {
     .column.tasks-list {
-      left: 0;
+      left: (0 - (@left-width / 2));
       right: 100%;
       margin-right: (0 - (@left-width + (@grid-gutter-width * 1)));
     }
@@ -300,6 +300,7 @@
     .column.tasks-list {
       right: @grid-gutter-width;
       margin: 0;
+      width: auto;
     }
 
     .column.task-details {