/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
button, hr, input {
    overflow: visible
}

progress, sub, sup {
    vertical-align: baseline
}

[type=checkbox], [type=radio], legend {
    box-sizing: border-box;
    padding: 0
}

html {
    line-height: 1.15;
    -webkit-text-size-adjust: 100%
}

body {
    margin: 0
}

details, main {
    display: block
}

h1 {
    font-size: 2em;
    margin: .67em 0
}

hr {
    box-sizing: content-box;
    height: 0
}

code, kbd, pre, samp {
    font-family: monospace, monospace;
    font-size: 1em
}

a {
    background-color: transparent
}

abbr[title] {
    border-bottom: none;
    text-decoration: underline;
    text-decoration: underline dotted
}

b, strong {
    font-weight: bolder
}

small {
    font-size: 80%
}

sub, sup {
    font-size: 75%;
    line-height: 0;
    position: relative
}

sub {
    bottom: -.25em
}

sup {
    top: -.5em
}

img {
    border-style: none
}

button, input, optgroup, select, textarea {
    font-family: inherit;
    font-size: 100%;
    line-height: 1.15;
    margin: 0
}

button, select {
    text-transform: none
}

[type=button], [type=reset], [type=submit], button {
    -webkit-appearance: button
}

[type=button]::-moz-focus-inner, [type=reset]::-moz-focus-inner, [type=submit]::-moz-focus-inner, button::-moz-focus-inner {
    border-style: none;
    padding: 0
}

[type=button]:-moz-focusring, [type=reset]:-moz-focusring, [type=submit]:-moz-focusring, button:-moz-focusring {
    outline: ButtonText dotted 1px
}

fieldset {
    padding: .35em .75em .625em
}

legend {
    color: inherit;
    display: table;
    max-width: 100%;
    white-space: normal
}

textarea {
    overflow: auto
}

[type=number]::-webkit-inner-spin-button, [type=number]::-webkit-outer-spin-button {
    height: auto
}

[type=search] {
    -webkit-appearance: textfield;
    outline-offset: -2px
}

[type=search]::-webkit-search-decoration {
    -webkit-appearance: none
}

::-webkit-file-upload-button {
    -webkit-appearance: button;
    font: inherit
}

summary {
    display: list-item
}

[hidden], template {
    display: none
}

/* custom css */
body {
    padding: 1rem;
    font-family: system-ui, sans-serif;
    max-width: 40em;
}

body > main > div {
    margin-bottom: 1rem;
}

body > main > div > p {
    margin-top: 0.5rem;
}

a {
    text-decoration: none;
}

footer {
    border-top: 1px solid black;
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #000;
        color: #ccc;
    }

    h1, h2, h3, h4, h5, h6 {
        color: #fff;
    }

    a, a:hover, a:visited {
        color: #0f0;
    }

    footer {
        border-color: #ccc;
    }
}