#frontpagepost.post {
	margin-bottom:-15px;
}

/* From @dweynaus */
div.activity-comments ul li > ul {
margin-top: 5px;
margin-left: 15px;     /* this controls comment nesting. Default value is 25px */
}

div.activity-comments ul li {
border-top: 2px solid #fff;
padding: 10px 15px 10px 0;
margin-left: 5px;      /* this controls comment nesting. Default value is 15px */
}