html {position: relative;min-height: 100%;}body {margin-bottom: 90px;}.footer {position: fixed;left: 0;bottom: 0;width: 100%;height: 90px;line-height: 90px;background-color: #f5f5f5;}.container {width: auto;max-width: 680px;padding: 0 15px;}.btn-footer, .btn-footer:active {color: white;font-weight: normal;border: none;outline: none !important;box-shadow: none !important;}.btn-footer:hover {color: lightgrey;}