Improve blockquote style

_sass/_global.scss

@@ -23,10 +23,10 @@ blockquote {
 
   border-color: $primary;
   border-style: solid;
-  border-top-width: 2pt;
-  border-right-width: 2pt;
-  border-bottom-width: 2pt;
-  border-left-width: 10pt;
+  border-top-width: 1px;
+  border-right-width: 1px;
+  border-bottom-width: 1px;
+  border-left-width: 6pt;
   border-radius: 4pt;
 }