Add CSS rules for uncustomised <a>

base.css

@@ -146,7 +146,7 @@ p, ul {
 	margin: 0 8px;
 }
 
-p.link, a {
+p.link, a:not(.no-a-custom) {
 	font-size: 17px;
 	font-weight: 700;
 }
@@ -183,13 +183,18 @@ li.items:not(.disabled):hover:not(:focus) {
 	background-color: lightskyblue;
 }
 
-a {
+a:not(.no-a-custom) {
 	display: block;
 	padding: 8px;
 	color: black;
 }
 
-a.inline {
+a.no-a-custom {
+	color: inherit;
+	text-decoration: inherit;
+}
+
+a.inline:not(.no-a-custom) {
 	display: inline;
 	padding: 2px;
 }