.park_box_center{
    width: 100%;
    height: 408px;
    /*background: url(park_pic_3.png) no-repeat center;*/
}

/*.park_box_center:hover{*/
    /*background: #1a958e;*/
/*}*/
.park_c_a{
    float: left;
    width: 100%;
    height: 200px;
    background: url(park_pic_3.png) no-repeat center;
    overflow: hidden;
    margin-bottom: 7px;
}
.park_c_a:hover{
    background: #248739;
}
.park_c_b{
    float: left;
    width: 150px;
    height: 200px;
    background-color: #19c2d1;
}

.park_c_b:hover{
    background: url("zhbsq.png") no-repeat center;
}
.park_c_c{
    float: right;
    width: 150px;
    height: 200px;
    background: url("zrhcyy.png") no-repeat center;
}
.park_c_c:hover{
    background: #248739;
}