adjust style for CopyButton

resource/css/_page.scss

@@ -90,7 +90,7 @@
         margin-bottom: 0;
 
         .btn-copy-container {
-          font-size: 0.8em;
+          font-size: 0.65em;
         }
 
         a.last-path {

resource/js/components/CopyButton.js

@@ -19,12 +19,12 @@ export default class CopyButton extends React.Component {
 
   render() {
     const containerStyle = {
-      verticalAlign: "top"
     }
     const style = Object.assign({
       fontSize: "0.8em",
       padding: "0 2px",
-      border: 'none'
+      border: 'none',
+      verticalAlign: 'text-top',
     }, this.props.buttonStyle);
 
     return (