.se-pre-con{position:fixed;left:0;top:0;width:100%;height:110%;z-index:9999;background:rgba(0,0,0,.5);display:none}.se-pre-con div{position:absolute;margin:auto;top:0;left:0;right:0;bottom:0;width:100px;height:100px;background:#fdfefe;-webkit-mask:url('svg-loaders/rings.svg') center/contain no-repeat}