#sentinel-unit-header{margin-top:2rem;background:url(/img/sentinel-quick-start_bg.png) top left repeat-x}#sentinel-unit-header h1{font-weight:700;font-size:6rem}.mounting-option{margin:60px 0;padding-bottom:60px;border-bottom:1px solid #ccc}.mounting-option:last-child{border-bottom:0;padding-bottom:0}.mo-img{padding:15px}