:root{--background:silver;--foreground:#000}body{background-color:var(--background);color:var(--foreground);margin:0;padding:20px;font-family:Times New Roman,Times,serif}a{color:#00e;text-decoration:underline}a:visited{color:#551a8b}.container{background-color:silver;border:4px outset #fff;max-width:800px;margin:0 auto;padding:20px}.post-content{white-space:pre-wrap}h1,h2,h3{font-weight:700}