.inter_brd{width: 50px; border-width: 0 0 1px 1px; border-style: solid; display: inline-block;}
.inter_icon img{width: 50%;}
.inter_banner{width: 100%;}
.inter_banner img{width: 100%;}
.business_city{background: #f8f8f8}
.business_city img{width: 70%;}
@media only screen and (max-width: 600px) and (min-width: 320px) {
    .inter_four .fourcolums .colum{width: 100%;}
}