/* Absolute Center Spinner */
.loading {
    position: fixed;
    z-index: 1000;
    height: 2em;
    width: 2em;
    overflow: visible;
    margin: auto;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
  }

/* Transparent Overlay */
.loading:before {
    content: '';
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(46,45,45,1);
}

/* :not(:required) hides these rules from IE9 and below */
.loading:not(:required),
.loading table,
.loading table.table-light,
.loading table.table-light tr,
.loading table.table-dark tr,
.loading table.table-light td,
.loading table.table-dark td,
.loading .thead-dark,
.loading .thead-light,
.loading .lead {
    /* hide "loading..." text */
    font: 0px/0 a !important;
    color: transparent !important;
    text-shadow: none !important;
    background-color: transparent !important;
    border: 0 !important;
}

.loading > .row,
.loading > .btn {
    display: none!important;
}

.loading:not(:required):after {
    content: '';
    display: block;
    font-size: 10px;
    width: 1em;
    height: 1em;
    margin-top: -0.5em;
    -webkit-animation: spinner 2500ms infinite linear;
    -moz-animation: spinner 2500ms infinite linear;
    -ms-animation: spinner 2500ms infinite linear;
    -o-animation: spinner 2500ms infinite linear;
    animation: spinner 2500ms infinite linear;
    border-radius: 0.5em;
    -webkit-box-shadow: rgba(0, 126, 125, 0.75) 1.5em 0 0 0, rgba(0, 126, 125, 0.75) 1.1em 1.1em 0 0, rgba(0, 126, 125, 0.75) 0 1.5em 0 0, rgba(0, 126, 125, 0.75) -1.1em 1.1em 0 0, rgba(0, 126, 125, 0.5) -1.5em 0 0 0, rgba(0, 126, 125, 0.5) -1.1em -1.1em 0 0, rgba(0, 126, 125, 0.75) 0 -1.5em 0 0, rgba(0, 126, 125, 0.75) 1.1em -1.1em 0 0;
    box-shadow: rgba(0, 126, 125, 0.75) 1.5em 0 0 0, rgba(0, 126, 125, 0.75) 1.1em 1.1em 0 0, rgba(0, 126, 125, 0.75) 0 1.5em 0 0, rgba(0, 126, 125, 0.75) -1.1em 1.1em 0 0, rgba(0, 126, 125, 0.75) -1.5em 0 0 0, rgba(0, 126, 125, 0.75) -1.1em -1.1em 0 0, rgba(0, 126, 125, 0.75) 0 -1.5em 0 0, rgba(0, 126, 125, 0.75) 1.1em -1.1em 0 0;
}

/* Animation */

@-webkit-keyframes spinner {
    0% {
      -webkit-transform: rotate(0deg);
      -moz-transform: rotate(0deg);
      -ms-transform: rotate(0deg);
      -o-transform: rotate(0deg);
      transform: rotate(0deg);
    }
    100% {
      -webkit-transform: rotate(360deg);
      -moz-transform: rotate(360deg);
      -ms-transform: rotate(360deg);
      -o-transform: rotate(360deg);
      transform: rotate(360deg);
    }
}
@-moz-keyframes spinner {
    0% {
      -webkit-transform: rotate(0deg);
      -moz-transform: rotate(0deg);
      -ms-transform: rotate(0deg);
      -o-transform: rotate(0deg);
      transform: rotate(0deg);
    }
    100% {
      -webkit-transform: rotate(360deg);
      -moz-transform: rotate(360deg);
      -ms-transform: rotate(360deg);
      -o-transform: rotate(360deg);
      transform: rotate(360deg);
    }
}
@-o-keyframes spinner {
    0% {
      -webkit-transform: rotate(0deg);
      -moz-transform: rotate(0deg);
      -ms-transform: rotate(0deg);
      -o-transform: rotate(0deg);
      transform: rotate(0deg);
    }
    100% {
      -webkit-transform: rotate(360deg);
      -moz-transform: rotate(360deg);
      -ms-transform: rotate(360deg);
      -o-transform: rotate(360deg);
      transform: rotate(360deg);
    }
}
@keyframes spinner {
    0% {
      -webkit-transform: rotate(0deg);
      -moz-transform: rotate(0deg);
      -ms-transform: rotate(0deg);
      -o-transform: rotate(0deg);
      transform: rotate(0deg);
    }
    100% {
      -webkit-transform: rotate(360deg);
      -moz-transform: rotate(360deg);
      -ms-transform: rotate(360deg);
      -o-transform: rotate(360deg);
      transform: rotate(360deg);
    }
}