Remove obsolete styles and fix alignment of header image and metadata

src/assets/style.scss

@@ -127,6 +127,7 @@ aside.metadata {
     margin: 0;
     padding: 0;
     list-style-type: none;
+    transform: translateY(.3em); // align baselines
   }
 }
 
@@ -153,11 +154,6 @@ aside.navigation {
       margin: 0;
     }
   }
-
-  a {
-    padding-left: 0;
-    padidng-right: 0;
-  }
 }
 
 article {
@@ -207,22 +203,9 @@ footer {
       "footer";
   }
 
-  aside {
-    dl {
-      dt, dd {
-        flex: 1 1 auto;
-        flex-basis: 50%;
-      }
-
-      dt {
-        flex-shrink: 1;
-        flex-gorw: 0;
-      }
-
-      dd {
-        flex-shrink: 0;
-        flex-grow: 1;
-      }
+  aside.metadata {
+    ul {
+      transform: none;
     }
   }
 }