:root{--transition-timing: cubic-bezier(.17, .67, .83, .67)}body{min-height:100vh}main{max-width:1440px}.height-transition{transition:height .3s var(--transition-timing)}h1,h2,h3,h4,h5,h6,h7,p,ul{margin:0}fieldset{border:none;margin:0;padding:0;min-inline-size:auto}legend{padding:0}