update: layout styles in overview and article pages

src/lib/components/overview.svelte

@@ -44,6 +44,7 @@
       margin-left: 0.5em;
       padding-left: 0.25em;
       border-left: 1px solid var(--line-primary);
+      box-sizing: border-box;
 		}
     ul {
       border-left: none;

src/lib/page/article_page.svelte

@@ -131,15 +131,15 @@
 	.card-container {
 		position: sticky;
 		top: 0;
-		overflow-y: auto;
 		background-color: var(--background-primary);
 		box-sizing: border-box;
 		padding: 20px;
 		display: flex;
 		flex-direction: column;
 		justify-content: space-between;
+    overflow: visible;
 		.card {
-			width: 300px;
+			width: 100px;
 			padding: 0.5em 0;
 			overflow: visible;
 		}