update

ts_web/elements/sio-combox.ts

@@ -107,11 +107,26 @@ export class SioCombox extends DeesElement {
         height: 600px;
         width: 800px;
         background: ${bdTheme('background')};
-        border-radius: ${unsafeCSS(radius.xl)};
+        border-radius: ${unsafeCSS(radius['2xl'])};
         border: 1px solid ${bdTheme('border')};
         box-shadow: ${unsafeCSS(shadows.xl)};
         overflow: hidden;
         font-family: ${unsafeCSS(fontFamilies.sans)};
+        position: relative;
+      }
+      
+      :host::before {
+        content: '';
+        position: absolute;
+        inset: 0;
+        border-radius: ${unsafeCSS(radius['2xl'])};
+        padding: 1px;
+        background: linear-gradient(145deg, ${bdTheme('border')}, transparent 50%);
+        -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
+        -webkit-mask-composite: exclude;
+        mask-composite: exclude;
+        opacity: 0.5;
+        pointer-events: none;
       }
 
       .container {