.ms-preload{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#fff;z-index:50000;margin: auto}
.spinner{width:60px;height:60px;margin:auto;position:absolute;top:0;left:0;bottom:0;right:0;text-align:center;}

.dot2{top:auto;bottom:0;-webkit-animation-delay:-1.0s;animation-delay:-1.0s}
@-webkit-keyframes sk-rotate{100%{-webkit-transform:rotate(360deg)}
}
@keyframes sk-rotate{100%{transform:rotate(360deg);-webkit-transform:rotate(360deg)}
}
@-webkit-keyframes sk-bounce{0%,100%{-webkit-transform:scale(0)}
50%{-webkit-transform:scale(1)}
}
@keyframes sk-bounce{0%,100%{transform:scale(0);-webkit-transform:scale(0)}
50%{transform:scale(1);-webkit-transform:scale(1)}
}