.grid_partner{
    width: 100%;
    padding-bottom: 20px;
    border-bottom: 1px solid #2659a6;
    margin-bottom: 20px;
}
.grid_partner .row_partner{
    width: 100%;
}
.grid_partner .row_partner .item{
    width: 33.3333%;
    float: left;
    border-bottom: 1px solid #f2f2f2;
    border-right: 1px solid #f2f2f2;
}
.grid_partner .row_partner:first-child .item{
    border-top: 1px solid #f2f2f2;
}
.grid_partner .row_partner .item:first-child{
    border-left: 1px solid #f2f2f2;
}
.grid_partner .row_partner .item .i-image{
    width: 180px;
    height: 180px;
    float: left;
    -webkit-perspective: 1000;
    -moz-perspective: 1000;
    perspective: 1000;
}
.grid_partner .row_partner .item .i-image:hover .flipper{
    -webkit-transform: rotateY(180deg);
    -moz-transform: rotateY(180deg);
    transform: rotateY(180deg);
    filter: FlipH;
    -ms-filter: "FlipH";
}
.grid_partner .row_partner .item .i-image .front,.grid_partner .row_partner .item .i-image .back{
    width: 180px;
    height: 180px;
}
.grid_partner .row_partner .item .i-image .flipper {
    width:180px;
    height:180px;
    -webkit-transition: 0.6s;
    -webkit-transform-style: preserve-3d;

    -moz-transition: 0.6s;
    -moz-transform-style: preserve-3d;

    transition: 0.6s;
    transform-style: preserve-3d;

    position: relative;
}
.grid_partner .row_partner .item .i-image .front,.grid_partner .row_partner .item .i-image .back {
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    backface-visibility: hidden;
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 0;
}

.grid_partner .row_partner .item .i-image .back {
    background:none;
    -webkit-transform: rotateY(180deg);
    -moz-transform: rotateY(180deg);
    transform: rotateY(180deg);
    padding:12px;
    display: block;
}
/* .grid_partner .row_partner .item .i-image .back:after{
    width: 100%;
    height: 100%;
    position: absolute;
    font-family: "fontawesome";
    top: 0;
    left: 0;
    color: #ffffff;
    content: '\f067';
    text-align: center;
    line-height: 180px;
    font-size: 40px;
} */
.grid_partner .row_partner .item .i-image .front .img{
    position: relative;
    width:100%;
    height: 100%;
}
.grid_partner .row_partner .item .i-image .img img{
    max-width: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform:translate(-50%,-50%);
}
.grid_partner .row_partner .item .i-desc{
    padding: 25px 15px;
    margin-left: 180px;
}
.grid_partner .row_partner .item .i-desc .i-title{
    font-size: 17px;
    line-height: 25px;
    max-height: 50px;
    overflow: hidden;
    font-weight: bold;
}
.grid_partner .row_partner .item .i-desc .i-title a{
    font-size: 17px;
    line-height: 25px;
}
.grid_partner .row_partner .item .i-desc .i-content{
    font-size: 14px;
    line-height: 22px;
    max-height: 66px;
    overflow: hidden;
    color: #666666;
}
@media screen and (max-width: 1000px){
    .grid_partner:after{
        display: block;
        clear: both;
        content: '';
    }
    .grid_partner .row_partner .clear{
        clear: none;
    }
    .grid_partner .row_partner .item{
        width: 50%;
    }
    .grid_partner .row_partner .item:nth-child(2n+1){
        clear: left;
    }
    .grid_partner .row_partner:nth-child(2n+2) .item:nth-child(2n+1){
        clear: none;
    }
    .grid_partner .row_partner:nth-child(2n+2) .item:nth-child(2n+2){
        clear: left;
    }
    .grid_partner .row_partner:first-child .item{
        border-top: none;
    }
    .grid_partner .row_partner .item:first-child{
        border-left: none;
    }
    .grid_partner .row_partner:first-child .item:nth-child(2),
    .grid_partner .row_partner:first-child .item:nth-child(1){
        border-top: 1px solid #f2f2f2;
    }
    .grid_partner .row_partner:nth-child(2n+1) .item:nth-child(2n+1){
        border-left: 1px solid #f2f2f2;
    }
    .grid_partner .row_partner:nth-child(2n+2) .item:nth-child(2n+2){
        border-left: 1px solid #f2f2f2;
    }
}
@media screen and (max-width: 639px){
    .grid_partner .row_partner .item{
        width: 100%;
    }
    .grid_partner .row_partner:first-child .item:nth-child(2),
    .grid_partner .row_partner:first-child .item:nth-child(1){
        border-top: none;
    }
    .grid_partner .row_partner:nth-child(2n+1) .item:nth-child(2n+1){
        border-left: none;
    }
    .grid_partner .row_partner:nth-child(2n+2) .item:nth-child(2n+2){
        border-left: none;
    }
    .grid_partner .row_partner:first-child .item:first-child{
        border-top: 1px solid #f2f2f2 !important;
    }
    .grid_partner .row_partner .item{
        border-left: 1px solid #f2f2f2 !important;
    }
}
@media screen and (max-width: 359px){
    .grid_partner .row_partner .item .i-image .front, .grid_partner .row_partner .item .i-image .back,
    .grid_partner .row_partner .item .i-image .flipper,
    .grid_partner .row_partner .item .i-image{
        width: 160px;
        height: 160px;
    }
    .grid_partner .row_partner .item .i-desc{
        margin-left: 160px;
    }
}