.icon-issue-link {
    background-image: url(../images/link.png);
    background-size: 16px;
}
div.issue div.subject > div > p.linked-issue {
    border-bottom: 1px dotted #bbb;
    display: inline-block;
    margin-top: 0;
}
#issue_links td.checkbox {
    display: none;
}