a[href*="list-manage.com/subscribe"]{display:inline-block;border:2px solid currentColor;border-radius:0;padding:10px 16px;text-decoration:none}a[href*="list-manage.com/subscribe"]:hover{background:currentColor}a[href*="list-manage.com/subscribe"]:hover em,a[href*="list-manage.com/subscribe"]:hover strong{color:#fff}