.error{color: red !important;}
.loader {background: rgba(0, 0, 0, 0.8) none repeat scroll 0 0;display: none;float: left;height: 100%;position: fixed;top: 0;width: 100%;z-index: 1070;}
.loader img {left: 50%;position: absolute;top: 50%;transform: translate(-50%, -50%);width: 64px;}