fix: should limit CSS scope, close: #147

assets/index.less

@@ -228,7 +228,7 @@
   }
 }
 
-.rc-tooltip {
+.@{prefixClass}-tooltip {
   position: absolute;
   left: -9999px;
   top: -9999px;

src/Handle.jsx

@@ -51,7 +51,7 @@ export default class Handle extends React.Component {
     const isTooltipVisible = dragging || this.state.isTooltipVisible;
     return (
       <Tooltip
-        prefixCls={prefixCls.replace('slider', 'tooltip')}
+        prefixCls={`${prefixCls}-tooltip`}
         placement="top"
         visible={isTooltipVisible}
         overlay={<span>{tipFormatter(value)}</span>}