*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}.clear{clear:both}.flex{display:flex}.flex.align-start{align-items:flex-start}.flex.center{justify-content:center}.flex.between{justify-content:space-between}.flex.column{flex-direction:column}a{color:unset;text-decoration:unset}li{list-style-type:none}