/*ÏêϸҳÃæ»»Ò³*/
.feedDetails {
    display: inline-block;
    width: 100%;
    text-align: center;

}

    .feedDetails > * {
        display: block;
        position: relative;
        margin: 10px 5%;
        border: 1px solid #d7d7d7;
        border-radius: 3px;
        width: 40%;
        background-color:#f2f0ec;
    }

        .feedDetails > *::after {
            content: "";
            position: absolute;

            top: 50%;
            margin-top: -10px;
            border-color: transparent #9c9595;
            border-style: solid;
        }


      

    .feedDetails .prev {
        float: left;
        text-indent:5%;
    }

        .feedDetails .prev::after {
            left:20%;
            border-width: 10px 10px 10px 0px;
        }

    .feedDetails .next {
        float: right;
         text-indent:-5%;
    }


        .feedDetails .next::after {
            right:20%;
              border-width: 10px 0px 10px 10px;
        }


          .feedDetails > *.pressed {
            color:#42a5f5;
        }    .feedDetails > *.pressed::after  {
             border-color: transparent #42a5f5;
        }