.blink{animation:blinker 1s step-start infinite}@keyframes blinker{50%{opacity:0}}.main{padding:60px 20px 0}.main .textbox{background-color:rgba(0,0,0,.8);border:1px solid #000;padding:10px 20px}.nav{background-color:#000;border-bottom:1px solid #fff;overflow:hidden;padding-bottom:5px;position:fixed;text-align:center;top:0;width:100%}.nav a{padding:0 20px}html{scroll-padding-top:50px}body{background-color:#000;color:#fff;margin:0}a,a:visited{color:#ff0}.centered{display:block;margin:auto;max-width:fit-content}h1{color:#fff;margin:0 0 15px;text-align:center}h2{color:pink;text-align:left}h3{text-size-adjust:none;font-size:12px;margin:5px 0;text-align:center}img.frame{border:1px solid #000}img.noborder{border:0!important}li{margin:.4em 0}p{text-align:justify}pre{font-size:1em;white-space:pre-wrap!important}