Update border-radius in style.scss for consistency and improved design

.vscode/ftp-kr.sync.cache.json

@@ -452,8 +452,8 @@
           },
           "main_view.php": {
             "type": "-",
-            "size": 31758,
-            "lmtime": 1754514238562,
+            "size": 32125,
+            "lmtime": 1754600819046,
             "modified": false
           },
           "task_edit.php": {

layout/style.scss

@@ -8,7 +8,7 @@ $cBlack: #4e5e6a;
   align-items: center;
   justify-content: center;
   height: 40px;
-  border-radius: .25rem;
+  border-radius: 6px;
   padding: 0 15px;
   transition: all .3s ease;
 
@@ -812,7 +812,7 @@ body>.top {
               background: $cGreen;
               color: #FFF;
               padding: 10px;
-              border-radius: .25rem;
+              border-radius: 6px;
               cursor: pointer;
               display: inline-flex;
               align-items: center;