@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Serif:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;1,100;1,200;1,300;1,400;1,500;1,600;1,700&display=swap');

html {
    max-width: 70ch;
    margin: auto;
    padding: 3em 1em;
    font-family: 'IBM Plex Serif', 'Georgia', Times, serif;
    font-size: 1.25em;
    line-height: 1.75;
    background-color: #ffffff;
    color: #161616;
}

header {
    text-align: center;
}

header p {
    font-style: italic;
}

main {
    text-align: justify;
}

footer {
    border-top: thin solid #f4f4f4;
}

h1, h2, h3, h4, h5, h6 {
    line-height: normal;
    font-weight: normal;
}

h1 { font-size: 2.488em; }
h2 { font-size: 2.074em; }
h3 { font-size: 1.728em; }
h4 { font-size: 1.44em; }
h5 { font-size: 1.2em; }
h6 { font-size: 1em; }

a {
    color: #0043ce;
    text-decoration: none;
}

a:hover {
    color: #002d9c ;
    text-decoration: underline;
}

::selection {
    background-color: #002d9c;
    color: #f4f4f4;
}

@media (prefers-color-scheme: dark) {
    html {
        background-color: #161616;
        color: #f4f4f4;
    }

    a { color: #78a9ff; }
    
    a:hover { color: #a6c8ff; }

    ::selection { background-color: #525252; }
}