Div overflow not working

[vine]

Can someone please tell me why \[code\]overflow:hidden;\[/code\] is not working,it has been rattling my brain and have tried all sorts unless it is the layout I have done it by.Thanks in advance.\[code\]#RightContent { min-height: 90%; background-color: #0A0A0A; border-top: 2px solid #2D2D2D; border-left: 2px solid #2D2D2D; border-right: 2px solid #2D2D2D; border-top-right-radius: 25px; width: 41%; margin: 0 auto; position: absolute; top: 20px; left: 404pt; overflow: hidden; }#RightFooter { min-height: 30px; background-color: #0A0A0A; border-bottom: 2px solid #2D2D2D; border-left: 2px solid #2D2D2D; border-right: 2px solid #2D2D2D; border-bottom-right-radius: 25px; width: 41%; margin: 0 auto; position: absolute; bottom: 20px; left: 404pt; overflow: hidden; }\[/code\]See example at posturads.comThanks in advance.