form.pytis-form.list-view.bug-comments h3 { 
    font-weight: normal;
    font-size: 1em;
    background-color: #eee;
    border-width: 1px 0;
}

form.pytis-form.list-view.bug-comments div.content.id-changes, 
form.pytis-form.list-view.bug-history div.content.id-changes { 
    padding: 0 0 .3em .5em;
    border: 0 solid #ed7;
    background-color: #ffe;
    border-width: 0 0 1px .5em;
}