Slightly reduce tile width

In order to keep them all in one row in on FullHD screen (1920×1080).

web/custom.css

@@ -14,7 +14,7 @@ body {
 }
 
 .tile {
-	flex-basis: 10em;
+	flex-basis: 8.5em;
 	padding-left: 8px;
 	padding-right: 8px;
 	margin: 8px;

web/index.html

@@ -47,7 +47,7 @@
 			<a href="http://kanboard.jovian-hersemeule.eu" class="tile">
 				<h2>Kanboard</h2>
 				<img src="img/kanboard.png" alt="KB logo">
-				<p>Project management tool with Kanban.</p>
+				<p>Project management.</p>
 			</a>
 		</div>
 	</body>