body {
    background: #232526; /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #232526, #414345); /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #232526, #414345); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}

.Content, .MainContent {
    background: none;
}