:where(*,:before,:after){box-sizing:border-box;margin:0;padding:0}:where(img,svg,video,canvas,audio,iframe,embed,object){display:block;max-width:100%}:where(ul,ol){list-style:none}:where(a){text-decoration:none;color:inherit}body,html{height:100%;margin:0;background-color:#f8f8f8}