Improve style

style/loading.css

@@ -0,0 +1,15 @@
+@layer components {
+    .loading {
+        @apply bg-surface dark:bg-dark_surface text-on_surface dark:text-dark_on_surface;
+        @apply min-h-screen p-5;
+        @apply flex flex-col justify-center;
+
+        & svg {
+            @apply mx-auto w-12 h-12;
+        }
+
+        & p {
+            @apply text-center;
+        }
+    }
+}

style/portfolio.css

@@ -3,6 +3,7 @@
 @import "tailwindcss/utilities";
 
 @import './link.css';
+@import './loading.css';
 @import './project.css';
 @import './post.css';
 @import './social_links.css';

style/title.css

@@ -3,7 +3,7 @@
         @apply flex flex-col md:flex-row items-center justify-between p-5;
 
         & h1 {
-            @apply text-center text-6xl mb-5 flex-1;
+            @apply my-3 font-bold text-center text-6xl mb-5 flex-1;
         }
     }
 }