improved link color contrast (updated color)

updated the link text color from #236070 to #2F7F93 for improved readability and contrast as recommended by the developers

Author: oikos99

_sass/_variables.scss

@@ -72,7 +72,7 @@ $primary-color              : #7a8288;
 $success-color              : #62c462;
 $warning-color              : #f89406;
 $danger-color               : #ee5f5b;
-$info-color                 : #236070;
+$info-color                 : #2f7f93;
 
 /* brands */
 $behance-color              : #1769FF;