sergio.am/static/styles.css

/* https: //gist.github.com/Albert221/753d7f8955eeb6f5e50486fce048e39f */
@font-face {
    font-family: 'JetBrains Mono';
    src: url('/static/JetBrainsMono-Regular.woff2') format('woff2'),
         url('/static/JetBrainsMono-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1.2rem;
    font-weight: 500;
    line-height: 1.8;

    max-width: 900px;
    margin: 0 auto;

    background-color: #1E1F22; /* Dark background */
    color: #CED2D7; /* Main text color */
}

header, footer {
    color: #fff;
    padding: 10px;
    font-size: .9em;
    font-weight: bold;
}

header {
    /* border-bottom: 3px solid #333; */
    border-bottom: 3px solid transparent;
    border-image: linear-gradient(0.25turn, #1E1F22, #333, #1E1F22);
    border-image-slice: 1;
}

footer {
    /* border-top: 3px solid #333; */
    border-top: 3px solid transparent;
    border-image: linear-gradient(0.25turn, #1E1F22, #333, #1E1F22);
    border-image-slice: 1;
    text-align: center;
    padding-bottom: 20px;
}

nav ul {
    list-style-type: none;
    text-align: center;
}

nav ul li {
    display: inline;
    margin-right: 20px;
}

nav ul li a, footer a {
    color: #fff;
    text-decoration: none;
}

main {
    padding: 20px;
}

body.index main {
    padding-top: 0;
}

main p {
    margin-left: 1rem;
}

main a {
    color: #ff5277;
    text-decoration: none;
    position: relative;
}

/* https: //tobiasahlin.com/blog/css-trick-animating-link-underlines/ */
main a::before {
    content: "";
    position: absolute;
    display: block;
    width: 100%;
    height: 1px;
    bottom: 0;
    left: 0;
    background-color: #ff5277;
    transform: scaleX(0);
    transform-origin: top left;
    transition: transform 0.2s ease;
}

main a:hover::before {
    transform: scaleX(1);
}

main a:visited {
    color: #BF6C6C;
}

body.index main ul {
    list-style: none;
    padding-left: 0;
}

body.index main ul li em {
    font-style: normal;
    font-size: 0.7rem;
    color: #888;
    background-color: #2d2d2d;
    border-radius: 0.2rem;
    padding: 2px 5px;
}

body.index .header {
    background: rgb(30, 31, 34);
    background: linear-gradient(0.25turn, rgba(30, 31, 34, 1) 0%, rgba(51, 51, 51, 1) 35%, rgba(30, 31, 34, 1) 100%);
    text-align: center;
    padding: 3rem;
}

body.index .header img {
    margin: 0 auto;
    border-radius: 100%;
}

a:hover {
    color: #ff5277;
}

div.sourceCode, pre {
    background-color: #333;
}

pre {
    padding: 1rem;
}

pre, code, tt {
    font-family: 'JetBrains Mono';
}

p code {
    background-color: #2d2d2d;
    color: #c4c399;
    border-radius: 0.2rem;
    padding-left: 5px;
    padding-right: 5px;
}

h1, h2, h3, h4, h5, h6 {
    background: #ffffff;
    background: linear-gradient(to bottom, #ffffff 0%, #00dda6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0px 0px 2px rgba(0,0,0,0.2);
}

main div.subtitle {
    margin-top: 0px;
    color: #555;
    font-size: .8em;
}

figure * {
    margin: 0 auto;
    font-size: 0.9rem;
    text-align: center;
}

/* Responsive Styles */
@media only screen and (max-width: 900px) {
    header, footer {
        width: 100%; /* Full width on mobile */
    }

    main {
        width: 100%; /* Full width on mobile */
        max-width: none; /* Remove max-width on mobile */
    }
}