styles.css

.arrow_box {	position: relative;	background: #ddd;    padding: 2px 0;    margin-right: 2em;   width: 7em;   float:left;   margin-top: 8px;}
.arrow_box p {padding-top:0.5em;}
.arrow_box:after, .arrow_box:before {	left: 100%;	top: 50%;	border: solid transparent;	content: "";	height: 0;	width: 0;	position: absolute;}
.arrow_box:after {	border-color: rgba(221, 221, 221, 0);	border-left-color: #ddd;	border-width: 20px;	margin-top: -20px;}
.icon-book::before{content: "\f02d";padding-left: 10px;padding-right: 4px;}
.icon-video-camera::before{content: "\f03d";padding-left: 10px;padding-right: 4px;}