AngularJS 1.2.x does not have bind-html-unsafe anymore. This fixes it.

angular-slider.css

@@ -22,24 +22,22 @@ slider span.bar {
   z-index: 0;
   -webkit-border-radius: 1em/1em;
   border-radius: 1em/1em;
-  background: -webkit-gradient(linear, left top, left bottom, color-stop(0, #c0c0c0), color-stop(1, #8d8d8d));
-  background: -webkit-linear-gradient(top, #c0c0c0 0, #8d8d8d 100%);
-  background: -moz-linear-gradient(top, #c0c0c0 0, #8d8d8d 100%);
-  background: -o-linear-gradient(top, #c0c0c0 0, #8d8d8d 100%);
-  background: -ms-linear-gradient(top, #c0c0c0 0, #8d8d8d 100%);
-  background: linear-gradient(top, #c0c0c0 0, #8d8d8d 100%);
+  background: -webkit-linear-gradient(top, #c0c0c0, #8d8d8d);
+  background: -moz-linear-gradient(top, #c0c0c0, #8d8d8d);
+  background: -o-linear-gradient(top, #c0c0c0, #8d8d8d);
+  background: -ms-linear-gradient(top, #c0c0c0, #8d8d8d);
+  background: linear-gradient(to bottom, #c0c0c0, #8d8d8d);
   -webkit-box-shadow: inset 2px 2px 5px;
   box-shadow: inset 2px 2px 5px;
 }
 slider span.bar.selection {
   width: 0%;
   z-index: 1;
-  background: -webkit-gradient(linear, left top, left bottom, color-stop(0, #13b6ff), color-stop(1, #00a8f3));
-  background: -webkit-linear-gradient(top, #13b6ff 0, #00a8f3 100%);
-  background: -moz-linear-gradient(top, #13b6ff 0, #00a8f3 100%);
-  background: -o-linear-gradient(top, #13b6ff 0, #00a8f3 100%);
-  background: -ms-linear-gradient(top, #13b6ff 0, #00a8f3 100%);
-  background: linear-gradient(top, #13b6ff 0, #00a8f3 100%);
+  background: -webkit-linear-gradient(top, #13b6ff, #00a8f3);
+  background: -moz-linear-gradient(top, #13b6ff, #00a8f3);
+  background: -o-linear-gradient(top, #13b6ff, #00a8f3);
+  background: -ms-linear-gradient(top, #13b6ff, #00a8f3);
+  background: linear-gradient(to bottom, #13b6ff, #00a8f3);
   -webkit-box-shadow: none;
   box-shadow: none;
 }