diff --git a/plugins/libkolab/skins/elastic/include/tasklist.less b/plugins/libkolab/skins/elastic/include/tasklist.less
index 0305a761..f4aae230 100644
--- a/plugins/libkolab/skins/elastic/include/tasklist.less
+++ b/plugins/libkolab/skins/elastic/include/tasklist.less
@@ -1,363 +1,363 @@
 /**
  * Kolab core library
  *
  * This file contains Elastic skin styles for tasklist plugin.
  *
  * @author Aleksander Machniak <machniak@kolabsys.com>
  *
  * Copyright (C) 2012-2018, Kolab Systems AG <contact@kolabsys.com>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
  * License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU Affero General Public License for more details.
  *
  * You should have received a copy of the GNU Affero General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 
 .menu {
     a.tasklist:before,
     a.tasklistlink:before,
     a.taskaddlink:before {
         content: @fa-var-calendar-check;
     }
 }
 
 .tasklist-invitebox {
     & > i.icon:before {
         content: @fa-var-calendar-check !important;
     }
 }
 
 .listing {
     li {
         & > div {
             &.tasklist .listname:before {
                 &:extend(.font-icon-class);
                 content: @fa-var-calendar-check;
             }
         }
     }
 }
 
 @tasklist-record-height: 3.8rem;
 
 #tasklist {
     li.taskitem {
         border-bottom: 0;
 
         div.taskhead {
             position: relative;
             display: block;
             height: @tasklist-record-height;
             padding-left: (1 * @listing-treetoggle-width);
             outline: 0;
 
             &.flagged {
                 color: @color-list-flagged !important;
             }
 
             &.selected {
                 background-color: @color-list-selected-background;
             }
 
             &.droptarget {
                 background-color: @color-list-droptarget-background;
             }
 
             &.complete {
                 span.title {
                     color: @color-list-deleted;
                 }
 
                 .progressbar {
                     display: none;
                 }
             }
         }
 
         & > div,
         & > span {
             border-bottom: 1px solid @color-list-border;
         }
 
         ul {
             padding: 0;
             border: 0;
 
             li {
                 padding-left: 0;
                 .taskhead, .title { padding-left: (2 * @listing-treetoggle-width + .25rem); }
                 .childtoggle { left: @listing-treetoggle-width; }
 
                 li {
                     .taskhead, .title { padding-left: (3 * @listing-treetoggle-width + .25rem); }
                     .childtoggle { left: (2 * @listing-treetoggle-width); }
 
                     li {
                         .taskhead, .title { padding-left: (4 * @listing-treetoggle-width + .25rem); }
                         .childtoggle { left: (3 * @listing-treetoggle-width); }
 
                         li {
                             .taskhead, .title { padding-left: (5 * @listing-treetoggle-width + .25rem); }
                             .childtoggle { left: (4 * @listing-treetoggle-width); }
 
                             li {
                                 .taskhead, .title { padding-left: (6 * @listing-treetoggle-width + .25rem); }
                                 .childtoggle { left: (5 * @listing-treetoggle-width); }
                             }
                         }
                     }
                 }
             }
         }
     }
 
     .childtoggle {
         position: absolute;
         left: 0;
         top: 0;
         width: @listing-treetoggle-width;
         padding: 0 0 0 .25rem;
         height: @tasklist-record-height;
         cursor: pointer;
         z-index: 1;
 
         .inner {
             display: none;
         }
 
         &:before {
             &:extend(.font-icon-class);
             content: @fa-var-angle-right;
             margin: 0;
             width: 1em;
             line-height: @tasklist-record-height;
         }
 
         &.expanded:before {
             content: @fa-var-angle-down;
         }
 
         &.collapsed:before {
             content: @fa-var-angle-right;
         }
     }
 
     span.title {
         position: absolute;
         left: 0;
         right: 0;
         bottom: 0;
         line-height: 2em;
         padding: 0 0 0 .2em;
         padding-left: (1 * @listing-treetoggle-width + .25rem);
         margin-right: 2em;
         .overflow-ellipsis;
     }
 
     span.tags {
         position: absolute;
         right: 2em;
         top: 0;
         line-height: 2em;
         text-align: right;
     }
 
     span.date {
         position: absolute;
         padding-left: .2em;
         font-size: 90%;
         line-height: 2.5;
         color: @color-list-secondary;
         cursor: pointer;
 
         input {
             line-height: 1;
             padding: 0;
             margin-top: -2px;
         }
     }
 
     span.flagged {
         position: absolute;
         right: 0;
         top: 0;
         line-height: 1.8em;
         cursor: pointer;
     }
 
     .taskhead:not(.flagged):hover span.flagged:before {
         &:extend(.font-icon-class);
         .font-icon-regular(@fa-var-flag);
     }
 
     .taskhead.flagged span.flagged:before {
         &:extend(.font-icon-class);
         content: @fa-var-flag;
     }
 
     .progressbar {
         position: absolute;
         bottom: 1px;
         left: .2em;
         right: .2em;
 
         .progressvalue {
             border-top: 2px solid @color-warning;
         }
     }
 
     .custom-switch {
         position: absolute;
         top: 1.4rem;
         z-index: 1;
         height: 2.3em;
     }
 
     .actions {
         display: none;
     }
 
     // Focus indicator
     @media screen and (min-width: @screen-width-large) {
         .taskhead {
             border-left: 2px solid transparent;
         }
 
         .taskhead.focused {
             border-left: 2px solid @color-list-focus-indicator;
             outline: 0;
         }
     }
 }
 
 html.touch #tasklist {
     li {
         font-size: 1rem;
     }
 
     span.flagged,
     input[type=checkbox],
     .custom-switch {
         display: none;
     }
 
     span.title {
         margin-right: .5rem;
     }
 
     span.tags {
         right: .5rem;
     }
 }
 
 #taskshow {
     & + .formbuttons {
         button.disabled {
             display: none;
         }
     }
 
     .task-parent-title {
         color: @color-black-shade-text;
         font-size: 90%;
         margin-bottom: .5rem;
     }
 
     .task-title {
         font-size: 1.5rem;
         font-weight: bold;
     }
 
     .task-description {
         margin: 1rem 0;
     }
 
     &.status-completed h2 {
-        text-decoration: line-through;
+        color: @color-list-deleted;
     }
 
     &.status-flagged h2:before {
         &:extend(.font-icon-class);
         content: @fa-var-flag;
         color: @color-error;
         font-size: .9em;
     }
 
     .attachmentslist li {
         margin-right: 1em;
     }
 }
 
 #taskedit-attachment-form {
     // fixes redundant scrolling and height issue on task edit form
     position: absolute;
 }
 
 .messagetasklinks {
     & > i.icon:before {
         content: @fa-var-calendar-check !important;
     }
 
     .tasklist {
         list-style-type: none;
         margin: 0;
         padding: 0;
 
         li {
             display: flex;
             align-items: center;
         }
     }
 
     input {
         height: auto !important;
     }
 }
 
 #print-layout {
     #tasklist {
         padding: 0;
 
         li {
             list-style-type: none;
         }
 
         .description {
             display: block;
             white-space: pre-wrap;
         }
 
         .title {
             position: relative;
             font-weight: bold;
             padding: 0;
             margin: 0;
         }
 
         .taskhead {
             height: auto;
         }
     }
 }
 
 .taskitem-draghelper {
     .overflow-ellipsis;
 }
 
 .quickview-active {
     // TODO ?
 }
 
 #rootdroppable {
     // TODO ?
 }