.wmkc-gray-bg{background:#F2F2F2;padding:30px 0;position:relative;}
.wmkc-gray-bg:after{content:'';width:100vw;height:100%;display:block;background:#f2f2f2;position:absolute;top:0;left:50%;transform:translateX(-50%);z-index:1;max-width:1920px;}
.wmkc-gray-bg>*{position:relative;z-index:2;}
.common-main{ padding-bottom: 0;}