*{box-sizing:border-box;margin:0;padding:0}body,html{height:100%}body{background:linear-gradient(135deg,#e4efe9 0%,#7db9e8 100%) fixed;font-family:Helvetica,Arial,sans-serif}.site-wrap{flex-direction:column;justify-content:space-between;align-items:center;height:100vh;display:flex}#demo-header{text-align:center;width:100%}#demo-header nav{text-align:left;background-color:#efefef;display:block}#main_content{flex-direction:column;flex:1;align-items:center;width:100%;max-width:1280px;margin:auto;padding-bottom:50px;display:flex}#active-lang{border-collapse:collapse;width:75%}#active-lang td{border:1px solid #666;padding:5px}.lang-key{text-align:right;font-family:Courier New,Courier,monospace}