Add button visual fixes

src/app.css

@@ -7,21 +7,9 @@ body {
     padding: 0;
 }
 
+button,
 input[type="text"] {
-    border: none;
-    border-radius: 3px;
-    text-align: center;
-    text-decoration: none;
-    background: white;
-    line-height: 2rem;
-    padding: 0 1rem;
-    vertical-align: middle;
-    width: auto;
-    color: #000000;
-}
-
-button {
-    border: none;
+    border: 1px solid #00000055;
     border-radius: 3px;
     text-align: center;
     text-decoration: none;

src/lib/Dialog.svelte

@@ -7,7 +7,7 @@
         class="close"
         onclick={() => {
             if (close) close();
-        }}>x</button
+        }}>X</button
     >
     {@render children()}
 </div>