*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;padding:0;font-family:Poppins,sans-serif}:is(html,body) h1,:is(html,body) h2,:is(html,body) h3,:is(html,body) h4,:is(html,body) h5,:is(html,body) h6{text-transform:capitalize}