.testimonial-box{position:relative}.testimonial-box:before{bottom:-20px;z-index:1}.testimonial-box:after,.testimonial-box:before{content:"";position:absolute;left:30px;border-color:#fff transparent;border-style:solid;border-width:20px 20px 0;width:0;height:0}.testimonial-box:after{bottom:-18px;z-index:2}