remove backgrounds and borders

Author: cquirosj

src/Frontend/src/components/messages2/DiffViewer.vue

@@ -319,12 +319,9 @@ watch(
 <style scoped>
 .diff-viewer {
   width: 100%;
-  border: 1px solid #ddd;
-  border-radius: 3px;
   overflow: hidden;
   font-family: monospace;
   font-size: 0.75rem;
-  background-color: #f8f8f8;
 }
 
 .diff-container {

src/Frontend/src/components/messages2/SagaDiagram/SagaUpdateNode.vue

@@ -404,6 +404,11 @@ const hasStateChanges = computed(() => {
 }
 
 /* Monospace font styling that matches DiffViewer */
+:deep(.monospace-code) {
+  border-radius: 0;
+  border: none;
+}
+
 :deep(.monospace-code) .cm-editor {
   font-family: monospace;
   font-size: 0.75rem;