CSS 삼각형만들기

                    content: "";

   width: 0;

   height: 0;

   position: absolute;

   right: 23px;

   top:35px;

   margin-top: 6px;

   border-width: 7px 0px 7px 7px;

   border-style: solid;

   border-color: #fff transparent;

   background-color:#ccc;