The alignment of tasks with subtasks has always been off in Workfront and it makes it hard to see the work breakdown structure.
Its hard to see the parent-child relationship. Here's a video with audio showing you the before-and-after: http://screencast.com/t/tecYEdvPYm
This is a UI-only change to the CSS. See below.
CHANGE
.indentable-table [collapselevel='0'].collapsible [valuefield=name] img.parent { left: 4px; }
.indentable-table .collapsible td[valuefield=name] img.parent { left: 5px; }
.indentable-table .collapsible td[valuefield=name] .inner-cell { margin-left: 18px; }
TO
.indentable-table [collapselevel='0'].collapsible [valuefield=name] img.parent { }
.indentable-table .collapsible td[valuefield=name] img.parent { left: -10px; }
.indentable-table .collapsible td[valuefield=name] .inner-cell { margin-left: 0px; }