app/assets/stylesheets/_keyboard-shortcuts.scss
$link-color: #428bca;
[aria-selected] {
color: #000;
&.thumbnail {
border-color: $link-color;
box-shadow: 0 0 10px $link-color;
}
}
tr[aria-selected] {
> td:first-child,
> th:first-child {
box-shadow: 8px 0 0 -5px $link-color inset;
}
}