html {
    font-size: 62.5%;
    box-sizing: border-box;
}

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

body, table {
    margin: 0;
    color:hsl(0, 0%, 12%);
    background-color: hsl(0, 0%, 93%);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    font-weight: 300;
    font-size: 1.5rem;
    line-height: 180%;
}

body {
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
}

body > * {
    width: 84%;
    max-width: 66rem;
}

.feed_header {
    margin: 0;
    padding-bottom: 1rem;
}

.feed_header:first-of-type {
    padding-top: 6.4%;
}

a.feed_link:link, a.feed_link:visited, a.feed_link:hover, a.feed_link:active {
    color: hsl(0, 0%, 12%);
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.01em;
    font-size: 2.2rem;
}

.feed_date {
    color: hsl(0, 0%, 50%);
}

.feed_article {
    margin: 0;
    padding-bottom: 4.2rem;
}

.feed_article:last-of-type {
    padding-bottom: 10rem;
}

a:link, a:visited, a:active {
    color: hsl(195, 100%, 43%);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

p {
    margin: 0;
    padding-bottom: 1rem;
}

ol, ul {
    margin: 0;
    padding: 0 0 1rem 5rem;
}

figure {
    margin: 0;
}

figcaption {
    color: hsl(0, 0%, 50%);
    padding-bottom: 1rem;
}

img {
    padding: 0.15rem 0.15rem 1.5rem 0.15rem;
    max-width: 100%;
    height: auto;
    
    display: block;
}

strong, b {
    font-weight: 600;
}

blockquote {
    margin: 0 0 1rem 3.4rem;
    padding: 0 0 0 1.6rem;
    border-left: 1px solid hsl(0, 0%, 70%);
}

blockquote p {
    padding-bottom: 0;
}

hr {
    margin: 0 0 1.3rem 0;
    background-color: hsl(0, 0%, 70%);
    border: 0;
    height: 1px;
}

sub, sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    top: -0.6em;
    vertical-align: baseline;
}

pre, code {
    margin: 0;
    font-family: 'Andale Mono', 'Courier New', Courier, monospace;
    font-size: 1.4rem;
}

pre {
    margin-bottom: 1rem;
    padding: 0.6rem 1.4rem;
    background-color: hsl(0, 0%, 89%);
    border-radius: 4px;
    overflow-x: scroll;
}

@media (prefers-color-scheme: dark) {
    body, table {
        color: #fff;
        background-color: hsl(0, 0%, 16%);
    }
    a.feed_link:link, a.feed_link:visited, a.feed_link:hover, a.feed_link:active {
        color: #fff;
    }
    .feed_date {
        color: hsl(0, 0%, 55%);
    }
    a:link, a:visited, a:active {
        color: hsl(195, 100%, 66%);
    }
    figcaption {
        color: hsl(0, 0%, 55%);
    }
    blockquote {
        border-left: 1px solid hsl(0, 0%, 50%);
    }
    hr {
        background-color: hsl(0, 0%, 50%);
    }
    pre {
        background-color: hsl(0, 0%, 10%);
    }
  }
