Added some padding to the logo image

Author: GarkGarcia

assets/css/main.css

@@ -24,6 +24,10 @@ section, summary, time, mark, audio, video {
 	font: inherit;
 	vertical-align: baseline;}
 
+#logo {
+  margin-bottom: 2em;
+}
+
 article, aside, details, figcaption, figure,
 footer, header, hgroup, menu, nav, section {
 	display: block;}

index.html

@@ -32,7 +32,7 @@ <h1><a href="#">Mathics</a></h1>
             </li>
 					</ul>
 				</div>
-				<img src="images/logo-heptatom.svg" alt="Mathics logo"  />
+				<img id="logo" src="images/logo-heptatom.svg" alt="Mathics logo"  />
 			</header>
 
 		<!-- Description -->