.title .github-avatar {
	position: absolute;
	left: 0;
	top: 6px;
	border-radius: 4px;
	width: 32px;
	height: 32px;
}


/* overriding github */
.news .alert.avatar-ready .simple > .octicon {
	left: 27px !important;
	z-index: 100;
	top: 27px;
	text-shadow: #FFF -1px -1px 0px;
}

.title .github-avatar {
	position: absolute;
	left: 0;
	top: 6px;
	border-radius: 4px;
	width: 32px;
	height: 32px;
}


/* overriding github */
.news .alert.avatar-ready .simple > .octicon {
	left: 27px !important;
	z-index: 10;
	top: 27px;
	text-shadow: #FFF -1px -1px 0px;
}

Change z index of octicon
Change z index of octicon