update

css/style.scss

@@ -8,7 +8,6 @@ $outline-color: #ffa300 !default;
 html {
   box-sizing: border-box;
   height: 100%;
-  overflow: hidden;
 }
 *,
 *::before,
@@ -26,7 +25,6 @@ body {
   font-family: 'Arial', sans-serif;
   line-height: 1.3;
   font-size: 18px;
-  overflow: hidden;
 
   > header,
   > footer {
@@ -292,6 +290,11 @@ body {
   overflow: hidden;
   z-index: 1;
   // Puedes agregar box-shadow o background si quieres
+
+  @media (min-width: 1500px) {
+    width: 1920px;
+    height: 1080px;
+  }
 }
 #coursenav-offcanvas {
   border-top-right-radius: 30px !important;