.mask-loader.hide-loader{display:none}
.mask-loader.show-loader{display:block}
.mask-loader.img{background:url(../img/spinner-DNA-2.5s-200px.svg) center center no-repeat}
.mask-loader.text-alert{text-align: center; }
.mask-loader.text-alert .textalert{position: relative;top: 50%;transform: translateY(-50%);}