/*@mixin radial-spin () {

    // explanation http://davidwalsh.name/css-circles 
    @-webkit-keyframes spin {
        from {
            -webkit-transform: rotate(0deg);
        }

        to {
            -webkit-transform: rotate(360deg);
        }
    }

    @-moz-keyframes spin {
        from {
            -moz-transform: rotate(0deg);
        }

        to {
            -moz-transform: rotate(360deg);
        }
    }

    @-ms-keyframes spin {
        from {
            -ms-transform: rotate(0deg);
        }

        to {
            -ms-transform: rotate(360deg);
        }
    }
}*/
:root {
  --sk-img-filter-color: #000;
  --sk-img-filter-opacity: 0.2;
  --sk-img-filter-opacity-dark: 0.45;
  --sk-img-filter-opacity-darker: 0.65;
}

.filter:before {
  position: absolute;
  z-index: 1;
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background-color: var(--sk-img-filter-color, black);
  -moz-opacity: var(--sk-img-filter-opacity, 0.3);
  -o-opacity: var(--sk-img-filter-opacity, 0.3);
  -webkit-opacity: var(--sk-img-filter-opacity, 0.3);
  opacity: var(--sk-img-filter-opacity, 0.3);
}
.filter.filter-dark:before {
  -moz-opacity: var(--sk-img-filter-opacity-dark, 0.5);
  -o-opacity: var(--sk-img-filter-opacity-dark, 0.5);
  -webkit-opacity: var(--sk-img-filter-opacity-dark, 0.5);
  opacity: var(--sk-img-filter-opacity-dark, 0.5);
}
.filter.filter-darker:before {
  -moz-opacity: var(--sk-img-filter-opacity-darker, 0.7);
  -o-opacity: var(--sk-img-filter-opacity-darker, 0.7);
  -webkit-opacity: var(--sk-img-filter-opacity-darker, 0.7);
  opacity: var(--sk-img-filter-opacity-darker, 0.7);
}
.filter.no-filter:before {
  content: none;
}

/*# sourceMappingURL=filters.css.map */