스크롤바 숨기고 마진값 수정

@@ -14,6 +14,12 @@
     height: 90%;
     width: 100%;
     overflow-y: auto;
+    -ms-overflow-style: none; /* IE and Edge */
+    scrollbar-width: none; /* Firefox */
+  }
+
+  #chat::-webkit-scrollbar {
+    display: none; /* Chrome, Safari, Opera*/
   }
   
   /* 접속 알림 */
@@ -47,6 +53,7 @@
     margin-top: 10px;
     margin-left: 5%;
     margin-right: 5%;
+    padding: 3px; 
     text-align: right;
     clear:both;
     float:right;
@@ -59,6 +66,7 @@
     margin-top: 10px;
     margin-left: 5%;
     margin-right: 5%;
+    padding: 3px; 
     text-align: left;
     clear:both;
     float:left;