html {
height: 100%;
}
body {
margin: 0;
padding: 0;
height: 100%;
}
#Icerik {
background: #EEE;
border-left: 1px solid #000;
border-right: 1px solid #000;
padding: 0 20px 0 20px;
margin: auto;
width: 960px;
height: 100%;
}