Issue flatlogic#7 fixed

Now works in Opera 11,12...  Added class="styled" for checkboxes.

Author: Sergey

awesome-bootstrap-checkbox.less

@@ -189,3 +189,18 @@
 .radio-variant(radio-info, @brand-info);
 .radio-variant(radio-warning, @brand-warning);
 .radio-variant(radio-success, @brand-success);
+
+input[type="checkbox"] {
+  &.styled:checked + label:after {
+    font-family: 'FontAwesome';
+    content: "\f00c";
+  }
+  & .styled:checked + label {
+    &::before {
+      color: #fff;
+    }
+    &::after {
+      color: #fff;
+    }
+  }
+}

awesome-bootstrap-checkbox.scss

@@ -189,3 +189,19 @@ $font-family-icon: 'FontAwesome' !default;
 @include radio-variant('.radio-info', $brand-info);
 @include radio-variant('.radio-warning', $brand-warning);
 @include radio-variant('.radio-success', $brand-success);
+
+
+input[type="checkbox"] {
+  &.styled:checked + label:after {
+    font-family: 'FontAwesome';
+    content: "\f00c";
+  }
+  & .styled:checked + label {
+    &::before {
+      color: #fff;
+    }
+    &::after {
+      color: #fff;
+    }
+  }
+}