fix hashtag contrast

src/lib/components/cards/BlogHeader.svelte

@@ -144,7 +144,7 @@
           {#if hashtags}
             <div class="tags">
               {#each hashtags as tag}
-                <span class="mr-2">#{tag}</span>
+                <span>#{tag}</span>
               {/each}
             </div>
           {/if}

src/lib/components/util/Details.svelte

@@ -142,7 +142,7 @@
     {#each hashtags as tag}
       <button
         onclick={() => goto(`/events?t=${encodeURIComponent(tag)}`)}
-        class="text-sm hover:text-primary-700 dark:hover:text-primary-300 cursor-pointer mr-2"
+        class="text-sm text-primary-700 dark:text-primary-300 hover:text-primary-800 dark:hover:text-primary-200 cursor-pointer mr-2"
         >#{tag}</button
       >
     {/each}