oldie.css

body{background:#42322D;font-family:Georgia,serif;color:#42322D;margin:40px}a{color:#D6642C}nav{height:0}nav:hover{height:auto}nav h2{position:relative;top:-20px;font-size:16px}nav ul{column-count:2}body>*{width:900px;margin:0 auto 20px;padding:20px;position:relative;z-index:1;background:linear-gradient(right,transparent 76px, #922718 76px, #922718 87px,transparent 87px,transparent),linear-gradient(bottom,transparent 76px, #922718 76px, #922718 87px,transparent 87px,transparent)}body>:before,body>:after{content:'';position:absolute;left:0;top:0;right:0;bottom:0;z-index:-1}body>:before{right:4px;bottom:4px;background-color:#F5E5D5;border-radius:10px}body>:after{background:linear-gradient(135deg,transparent 30px, #799697 30px, #799697 40px, #415D5E 40px, #415D5E 46px, #F5E5D5 46px, #F5E5D5 51px, #BF402C 51px, #BF402C 61px,transparent 61px,transparent)}body>header{overflow:hidden}