Minor css efficiencies.

Author: dapierce

public/css/index.css

@@ -311,7 +311,7 @@ footer {
 	margin: 0 auto;
 	padding: 0 2.2em;
 	display: flex;
-	gap: 1em .5em;
+	gap: 1em 0;
 	flex-wrap: wrap;
 	align-items: center;
 	justify-content: space-between;
@@ -382,7 +382,6 @@ footer a {
 footer a:hover {
 	color: var(--text-color);
 	background-size: 100% 100%;
-	background-position: 0 100%;
 	border-radius: 6px;
 	padding: 4px 4px;
 	margin: -4px -4px;
@@ -393,7 +392,6 @@ footer a:hover {
 footer a:active,
 footer a:focus {
 	background: rgba(255, 255, 255, 0.7);
-	background-position: 0 100%;
 	border-radius: 6px;
 	padding: 4px 4px;
 	margin: -4px -4px;