img{vertical-align:bottom;max-width:100%;height:auto}ol{padding-left:2em}#main section,#main aside{margin-bottom:20px}article,aside,footer,header,nav,section,main{display:block}*{box-sizing:border-box}*:before,*:after{box-sizing:inherit}button{display:block;padding:0;border:none;outline:none;font:inherit;color:inherit;background:none;width:100%}button:focus-visible{outline:1px solid var(--your-color)}small{display:block}@media screen and (max-width: 500px){*:focus{outline:none}}