#mainPage{width:100%;min-width:1200px;height:auto;margin:0 auto;background:#fff}#mainPage .activityOne{width:892px;height:1218px;background:url(/img/src/pages/activity/images/activity1.png) no-repeat top;background-size:100% 100%;margin:10px auto 0}#mainPage .activityTwo{width:892px;height:1202px;background:url(/img/src/pages/activity/images/activity2.png) no-repeat top;background-size:100% 100%;margin:10px auto 0}