.app-shell{flex-direction:column;min-height:100vh;display:flex}.app-shell__skip-link{color:canvastext;background:canvas;border:2px solid;padding:.5rem 1rem;position:absolute;top:-4rem;left:.5rem}.app-shell__skip-link:focus-visible{outline-offset:2px;outline:3px solid;top:.5rem}.app-shell__header,.app-shell__footer{padding:1rem clamp(1rem,4vw,3rem)}.app-shell__header{border-bottom:2px solid}.app-shell__brand{color:inherit;font-size:1.5rem;font-weight:700;text-decoration:none}.app-shell__main{flex:1;width:100%;max-width:72rem;margin:0 auto;padding:clamp(1rem,4vw,3rem)}.app-shell__main:focus{outline:none}.app-shell__footer{border-top:2px solid;font-size:.875rem}body{margin:0}*{box-sizing:border-box}