🐛 FIX: horizontal scroll on narrow/small screens

Signed-off-by: Jonas Sulzer <jonas@violoncello.ch>

_sass/base.scss

@@ -44,7 +44,11 @@ a {
 .small-pictures {
   display: grid;
   gap: 0.5em;
-  grid-template-columns: repeat(auto-fill, minmax(16em, 1fr));
+  grid-template-columns: repeat(1, minmax(0, 1fr));
+
+  @media (min-width: 800px) {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
 
   a {
     /* avoid sizing bug */
@@ -66,4 +70,4 @@ a {
   width: 100%;
   box-shadow: 0px 0px 0.3em rgba(0, 0, 0, 0.2);
   border-radius: 10px;
-}
+}
\ No newline at end of file