body{background:#ddd8ce}
body>header,body>main,body>footer{width:min(1750px,calc(100% - 16px));margin-left:auto;margin-right:auto}
body>main{overflow:hidden;background:var(--paper);box-shadow:0 0 28px #14192220}
body>header{margin-top:0}
body>footer{margin-bottom:0}
@media(max-width:760px){body>header,body>main,body>footer{width:calc(100% - 8px)}body>header{margin-top:0}body>footer{margin-bottom:0}}