fix style.css: align logos with header

Another approach to align them all properly.

Signed-off-by: Conrad Zelck <git@simpel.cc>

style.css

@@ -55,10 +55,15 @@ header {
 
 nav {
   display: flex;
-  align-items: end;
+  align-items: baseline;
   column-gap: 0.7em;
 }
 
+nav a {
+  margin-top: auto;
+  margin-bottom: auto;
+}
+
 h1 {
   font-size: 1.5em;
   margin: 0;