Add a border between the text areas

Signed-off-by: Username404 <w.iron.zombie@gmail.com>

src/main/kotlin/main.kt

@@ -55,6 +55,9 @@ fun makeConsole() {
                     width: 25vw; height: 50vh;
                     resize: none;
                 }
+                #input_box, #output_box { border: solid 1px #2f5361; }
+                #input_box { border-right-color: #173f4f; }
+                #output_box { border-left-color: #173f4f; }
                 #output_language {
                     background-image: linear-gradient(30deg, #02027d 0%, #2f5361 20%);
                     position: absolute;