Fix layout for mobile

client/stylesheets/base.less

@@ -1776,19 +1776,15 @@ a.github-fork {
 	left: 0;
 	right: 0;
 	z-index: 1000;
-	display: flex;
-	display: -webkit-flex;
-	align-items: flex-end;
-	align-items: -webkit-flex-end;
 	justify-content: center;
 	padding: 0 40px;
 
 	> .buttons {
-		width: 100%;
-		max-width: 600px;
 		font-size: 24px;
-		color: #444;
-		margin-top: 6%;
+		position: absolute;
+		bottom: 0;
+		left: 10%;
+		right: 10%;
 
 		.button {
 			display: block;