.main{background-color: #fff;}.footer{background-attachment: fixed;position: relative;line-height: 20px;}.footer nav > ul{list-style: none;margin: 0;padding: 0;font-weight: normal;}.footer nav > ul > li{display: inline-block;padding: 10px 15px;margin: 15px 3px;line-height: 20px;text-align: center;}.footer nav > ul a:not(.btn){color: #777777;display: block;margin-bottom: 3px;}.footer nav > ul a:not(.btn):hover, .footer nav > ul a:not(.btn):focus{color: #E3E3E3;}.footer .copyright{color: #777777;margin: 15px 3px;line-height: 20px;text-align: center;}.header_link{margin:15px 2px;font-size: 16px;font-weight: 600;font-family: "Helvetica";cursor: pointer;padding: 0.5rem 0.8rem 0.5rem 0.5rem;color:#636A73;}@media screen and (max-width: 991px) {[class*="navbar-"] .navbar-nav .nav-item { padding: 20px 0 20px 0;border-bottom: 2px solid #ccc;color:#fff;}  .header_link{color: #fff;padding: 0.5rem 0rem 0.5rem 0.4rem;margin:15px 0px;}}.space-top{margin-top: 30px;}.main .section:first-of-type{position: relative;z-index: 2;}.row ol{font-size: 16px;font-weight: 100;padding-left: 2em;display: block;list-style-type: decimal;margin-block-start: 1em;margin-block-end: 1em;margin-inline-start: 0px;margin-inline-end: 0px;padding-inline-start: 40px;}.row ol li{margin-top: 10px;}pre.prettyprint_pub{background-color: #eee !important;margin-bottom: 30px;margin-top: 30px;padding: 20px !important;font-size: 13px;text-align: left;border-radius: 4px !important;border: 1px transparent !important;}