Update main.css

prevent horizontal scroll bar

Author: dragoncoder047

static/css/main.css

@@ -27,7 +27,7 @@ footer {
 header {
     position: sticky;
     top: 0;
-    width: 100%;
+    width: 99%;
     margin: none;
     border-bottom: 1px dashed gray;
     background: var(--color-bg);