.helper-no-select{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.helper-centerbox{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);-webkit-transform:translate(-50%,-50%);-moz-transform:translate(-50%,-50%);-ms-transform:translate(-50%,-50%)}.helper-centerV{position:absolute;top:50%;transform:translateY(-50%);-webkit-transform:translateY(-50%);-moz-transform:translateY(-50%);-ms-transform:translateY(-50%)}.helper-centerH{position:absolute;left:50%;transform:translateX(-50%);-webkit-transform:translateX(-50%);-moz-transform:translateX(-50%);-ms-transform:translateX(-50%)}.helper-force-hide,.helper-hide{display:none!important}.helper-snap-topleft{position:absolute;top:0;left:0;bottom:auto;right:auto}.helper-snap-topright{position:absolute;top:0;left:auto;bottom:auto;right:0}.helper-snap-bottomleft{position:absolute;top:auto;left:0;bottom:0;right:auto}.helper-snap-bottomright{position:absolute;top:auto;left:auto;bottom:0;right:0}