.Institutional .Institutional_content{width:1240px;margin:20px auto 0}.Institutional .Institutional_content span:nth-child(odd){margin-right:20px}.Institutional .Institutional_content .Institutional_span{width:610px;height:100px;display:inline-block;margin-bottom:20px;cursor:pointer}.Institutional .Institutional_content .Institutional_span .Institutional_img{width:100%;height:100%}