html,body{margin:0;padding:0;width:100%;box-sizing:border-box;overflow-x:hidden}*,*::before,*::after{box-sizing:inherit}body{display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:sans-serif;line-height:1.5;background-color:#d3d3d3;color:#333;min-height:100vh}main{max-width:800px;width:100%;padding:0 20px;flex:1;margin:20px 0;background-color:#f0f0f0;box-shadow:0 0 10px rgba(0,0,0,.1)}header{width:100%;background:linear-gradient(135deg,#ff007f 0%,#590fb7 100%);color:#fff;padding-top:40px;text-align:center;display:flex;flex-direction:column;font-family:courier new,Courier,monospace;margin:0}header h1{font-size:3rem;margin:0;text-transform:uppercase;letter-spacing:.1em;font-weight:700}header a{color:#fff}header p{padding:10px;font-size:smaller}nav{display:flex;justify-content:center;width:100%}nav ul{list-style:none;padding:0;margin:0;display:flex;gap:15px;flex-wrap:wrap}nav ul li{display:inline}nav ul li a{color:#fff;text-decoration:none;font-weight:700}nav ul li a:hover{text-decoration:underline}footer{width:100%;text-align:center;padding:10px 0;background-color:#ccc;opacity:.5}a{text-decoration:none;color:#728493}a:hover,a:visited{text-decoration:underline}p{line-height:1.6;margin:10px 0}time{color:#33444d}pre{padding:10px;overflow-x:auto;max-width:100%;white-space:nowrap}