게시물 라이브 편집 블록 동작 개선

components/content/ProseCallout.vue

@@ -63,25 +63,31 @@ const backgroundClass = computed(() => {
 <style scoped>
 .prose-callout--gray {
   background: color-mix(in srgb, #050505 10%, #ffffff);
+  border: 1px solid #050505;
 }
 
 .prose-callout--blue {
   background: color-mix(in srgb, #0055ff 10%, #ffffff);
+  border: 1px solid #0055ff;
 }
 
 .prose-callout--green {
   background: color-mix(in srgb, #16ae68 10%, #ffffff);
+  border: 1px solid #16ae68;
 }
 
 .prose-callout--yellow {
   background: color-mix(in srgb, #ffff00 10%, #ffffff);
+  border: 1px solid #ffff00;
 }
 
 .prose-callout--red {
   background: color-mix(in srgb, #ff0000 10%, #ffffff);
+  border: 1px solid #ff0000;
 }
 
 .prose-callout--purple {
   background: color-mix(in srgb, #8800ff 10%, #ffffff);
+  border: 1px solid #8800ff;
 }
 </style>