add a fluid container to give some margins on the left/right

templates/base.html

@@ -39,6 +39,7 @@
 	</div>
 
 	<nav class="navbar navbar-expand-lg navbar-light bg-light justify-content-between py-1">
+	<div class="container-fluid">
 		{% if config.ENV == "production" %}
             <a class="navbar-brand" href="/">Books DB</a>
         {% else %}
@@ -124,6 +125,7 @@
 				</div class="nav-item dropdown">
 			</div class="navbar-nav">
 		</div class="collapse navbar-collapse">
+		</div class="container-fluid">
 	</nav>
 	
 	{% if message is defined and message|length %}