.twoPanelSpread {

  /*wrapper*/
  padding: 0px;
  background: url(https://raw.githubusercontent.com/ThakaRashard/bubblegumpop/gh-pages/img/810MATRiX.webp)
    center repeat;
}

.row {
  /*stackablerows*/
  border-radius: 0px;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  width: 100%;
}

.panelColumn {
  display: flex;
  flex-direction: column;
  flex-basis: 100%;
  flex: 1;
  }

.leftColumn {
   background-color: #2470FF; 
  width:100%;
  overflow: auto;
}

.leftColumn img {
  flex-shrink: 0;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.rightColumn {
  /* background-color: #c9ff23; */
}
.rightColumn img {
  flex-shrink: 0;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

_sass/jekyll-theme-leap-day.scss

@@ -936,21 +936,18 @@ iframe {
 
 
 .twoPanelSpread {
-  margin: 0px;
-  display: flex;
-  flex-direction: row;
-  flex-wrap: nowrap;
+  /*wrapper*/
   padding: 0px;
-  width: 100%;
   background: url(https://raw.githubusercontent.com/ThakaRashard/bubblegumpop/gh-pages/img/810MATRiX.webp)
     center repeat;
 }
 
 .row {
+  /*stackablerows*/
   border-radius: 0px;
   display: flex;
   flex-direction: row;
-  flex-wrap: nowrap;
+  flex-wrap: wrap;
   width: 100%;
 }
 
@@ -959,18 +956,18 @@ iframe {
   flex-direction: column;
   flex-basis: 100%;
   flex: 1;
-  overflow: hidden;
-}
+  }
 
 .leftColumn {
-  /* background-color: #2470FF; */
-  width: 100%;
+   background-color: #2470FF; 
+  width:100%;
+  overflow: auto;
 }
 
 .leftColumn img {
   flex-shrink: 0;
-  min-width: 100%;
-  min-height: 100%;
+  max-width: 100%;
+  max-height: 100%;
   display: flex;
   justify-content: center;
   align-items: center;
@@ -982,8 +979,8 @@ iframe {
 }
 .rightColumn img {
   flex-shrink: 0;
-  min-width: 100%;
-  min-height: 100%;
+  max-width: 100%;
+  max-height: 100%;
   display: flex;
   justify-content: center;
   align-items: center;