body::before{background:#77cdff;background:-moz-linear-gradient(top,#77cdff 0,#fff 100%);background:-webkit-linear-gradient(top,#77cdff 0,#fff 100%);background:linear-gradient(to bottom,#77cdff 0,#fff 100%);content:'';position:absolute;width:100%;height:500px;left:0;top:0;z-index:-1}.ct-action-btn{color:#fff;margin:20px 0;display:inline-block;padding:7px 30px;background:#f0483e;font-family:var(--zf-primary-semibold)}. umain .ct-action-btn{display:none}.ct-action-btn.alter{display:none}.umain .ct-action-btn.alter{display:inline-block}