:root{color-scheme:light;font-family:Arial,sans-serif;color:#263b43;background:#f7f7f5;font-size:18px;line-height:1.8}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:850px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid #d3e2dc}.brand{font-size:28px;font-weight:700;text-decoration:none}main{background:#fff}h1{font-size:clamp(26px,5vw,36px);line-height:1.3;margin:12px 0}p{margin:0 0 24px;overflow-wrap:anywhere}.updated{color:#53696a;font-size:15px}a{color:#195c4a;text-underline-offset:4px}a:focus-visible{outline:3px solid #267366;outline-offset:4px}nav{display:flex;flex-wrap:wrap;gap:12px 24px}nav a,header a{padding-block:8px}.skip{position:absolute;top:-100px;background:white;padding:12px}.skip:focus{top:0}footer{border-top:1px solid #d3e2dc}@media(max-width:400px){header,main,footer{padding:18px}header{gap:12px}}

/* Approved option 6 PNG; presentation crops only the surrounding whitespace. */
header .brand{display:block;position:relative;width:180px;height:68px;overflow:hidden;flex:0 0 auto;padding:0;background:#fff}header .brand img{position:absolute;width:286px;height:143px;max-width:none;left:-53px;top:-38px}
@media(max-width:400px){header .brand{width:150px;height:57px}header .brand img{width:238px;height:119px;left:-44px;top:-32px}}