src/styles/components/tasks.scss

@@ -45,11 +45,6 @@
           width: 89%;
         }
 
-        &.done{
-          text-decoration: line-through;
-          color: $grey;
-        }
-
         .overdue{
           color: $red;
         }
@@ -77,6 +72,11 @@
       }
     }
 
+    .tasktext.done{
+      text-decoration: line-through;
+      color: $grey;
+    }
+
     span.parent-tasks {
       color: lighten($dark, 50);
       width: auto;