fix style.css: remove img display block

Otherwise this would prevent aligning the logos in header.

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

style.css

@@ -118,7 +118,6 @@ a:not([class]) {
 /* Make images easier to work with */
 img, picture {
   max-width: 100%;
-  display: block;
   /* alt text should be very different */
   font-style: italic;
 }