*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -moz-text-size-adjust: none;
    -webkit-text-size-adjust: none;
    text-size-adjust: none;
}

body {
    min-height: 100vh;
    line-height: 1.5;
}

main h1,
main h2 {
    text-align: center;
}