.link_banner_s_0{ background-image:url('../img/ipadlink0_1442832726.jpg');}
.link_banner_s_1{ background-image:url('../img/ipadlink1_1442833104.jpg');}
.link_banner_s_2{ background-image:url('../img/ipadlink2_1442833345.jpg');}
.link_banner_s_3{ background-image:url('../img/link_banner_img_3_1437652133.jpg');}