This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side. This is the content <div>. It should fill the right-side. It should have a 1px solid black border on its left side.
This is the navigation <div>. It should fill the left part. It should share a 1px solid black border on its right side. This is the navigation <div>. It should fill the left part. It should share a 1px solid black border on its right side. This is the navigation <div>. It should fill the left part. It should share a 1px solid black border on its right side. This is the navigation <div>. It should fill the left part. It should share a 1px solid black border on its right side. This is the navigation <div>. It should fill the left part. It should share a 1px solid black border on its right side.
or 
or 
5.1