Cacher is the code snippet organizer for pro developers

                div:after{
                      content:'';
                      border-style: solid;
                      border-width: 9px;
                      border-color: #f7f7f7 rgba(255,255,255,0) rgba(255,255,255,0) rgba(255,255,255,0);
                      position:absolute;
                      right:10px;
                      top:50%;
                      margin-top:-4px;
                }