html, body { padding: 0; margin: 0; }
html {
    background-color: #003;
    color: #fff;
    font-family:  Arial, Helvetica, sans-serif;
    writing-mode: horizontal-tb;
    font-size: 0.9em;
}
body {
    max-width: 55em;
    margin: auto;
}
article {
    text-align: justify;
}

footer {
    text-align: center;
    padding: 0.25rem;
}

h1 {
    font-size: 3em;
    font-style: italic;
    text-align: center;
    margin-bottom: 0;
}
header p {
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 0.1em;
    text-align: center;
    margin-top: 0;
}
h2 {
    font-size: 1.5em;
    color: #036;
    background-color: #fc3;
    background-image: radial-gradient(#fc3 50%, #d72 95%);
    padding: 0.4rem 0.8rem;
    margin: 0;
    border: 0.2rem solid #c50;
    border-radius: 1.5rem;
    text-align: center;
    width: fit-content;
    text-transform: uppercase;
}
h3 {
    text-align: center;
}
h4 {
    margin: 0;
    border-bottom: 1px solid;
}

img {
    max-width: 100%; max-height: 100%;
}
figure {
    margin: 1em auto;
    max-width: 80%;
    background-color: #036;
    border: 0.1em solid #369;
    padding: 0.2em;
}
figcaption {
    font-weight: bold;
    padding: 0.2em 0;
    text-align: justify;s
}
blockquote {
    margin: 0.5em 1em;
    border-left: 0.2em solid #fc3;
    padding: 0.5em;
    background-color: #036;
}
code {
    background-color: #036;
    padding: 0 0.2em;
    font-size: 1.2em;
    line-height: 0.8em;
    color: #fc3;
}



h1, h1 a, h1 a:visited, h1 a:hover, h1 a:active { color: #369; text-decoration: none; }
a, h4, strong, em, u, summary, figcaption { color: #fc3; }
a:hover { color: #fe6; }

.center { text-align: center; }
img.center { display: block; width: fit-content; margin: 0.5em auto; }

.left { text-align: left; }
img.left { float: left; margin: 5px; margin-left: 0; }

.right { text-align: right; }
img.right { float: right; margin: 5px; margin-right: 0; }