replace lane button background image with linear gradient

public_html/css/hpr.css

@@ -411,8 +411,7 @@ a.lane-button {
 	border-style: solid;
 	border-radius: 10px;
 	text-align: center;
-	background-image: url("../images/lane-button-background.png");
-
+	background: linear-gradient(to bottom, #a9d9db, #d6f0f1);
 }
 a.lane-button p {
 	font-family: var(--lane-button-font-family);