Please bookmark https://startupwp.com/user/uendi/ for future reference so that you can find all your previous topics, replies, subscriptions etc.
By simply adding this line min-width: 1000px; should actually solve most of the problems you’re having here:
#menu-my-footer-menu {
background: url("http://uendi.com/wp-content/uploads/2014/05/FooterMenu.png") no-repeat scroll 0 0 rgba(0, 0, 0, 0);
border-top: 1px solid #816100;
clear: both;
display: block;
height: 350px;
left: 0;
margin-top: 90px;
position: absolute;
text-align: center;
width: 100%;
min-width: 1000px;
}