footer,header,main{max-width:40em;padding:0 1.5em;margin:auto}figure,img{max-width:100%;height:auto;margin-inline:auto}figure:last-child,img:last-child{margin-block-end:0}ol,ul{padding-inline-start:1.5em}ol li+li,ul li+li{margin-block-start:.75em}ol:last-child,ul:last-child{margin-block-end:0}