html, body {
    margin: 0;
    padding:0;
}
:root {
    --font-size: 1.7rem;
    --font-family-mono: ui-monospace, monospace;
}

body.dark {
    --bg-color: #000;
    --bg-secondary-color: #131316;
    --font-color: #f5f5f5;
    --color-grey: #ccc;
    --color-darkGrey: #777;
}

body > .container {
    max-width: 800px;
}

.highlight > pre {
    font-size: .9em;
    line-height: 14pt;
}

@media (prefers-color-scheme: dark) {
    .decoration {
        color:#000;
    }
    pre {
        background-color: #111;
    }

    .highlight > pre {
        background-color:#111;
    }

    .highlight .hll { background-color: #49483e }
    .highlight  { background: #272822; color: #f8f8f2 }
    .highlight .c { color: #75715e } /* Comment */
    .highlight .err { color: #960050; background-color: #1e0010 } /* Error */
    .highlight .k { color: #66d9ef } /* Keyword */
    .highlight .l { color: #ae81ff } /* Literal */
    .highlight .n { color: #f8f8f2 } /* Name */
    .highlight .o { color: #f92672 } /* Operator */
    .highlight .p { color: #f8f8f2 } /* Punctuation */
    .highlight .ch { color: #75715e } /* Comment.Hashbang */
    .highlight .cm { color: #75715e } /* Comment.Multiline */
    .highlight .cp { color: #75715e } /* Comment.Preproc */
    .highlight .cpf { color: #75715e } /* Comment.PreprocFile */
    .highlight .c1 { color: #75715e } /* Comment.Single */
    .highlight .cs { color: #75715e } /* Comment.Special */
    .highlight .gd { color: #f92672 } /* Generic.Deleted */
    .highlight .ge { font-style: italic } /* Generic.Emph */
    .highlight .gi { color: #a6e22e } /* Generic.Inserted */
    .highlight .gs { font-weight: bold } /* Generic.Strong */
    .highlight .gu { color: #75715e } /* Generic.Subheading */
    .highlight .kc { color: #66d9ef } /* Keyword.Constant */
    .highlight .kd { color: #66d9ef } /* Keyword.Declaration */
    .highlight .kn { color: #f92672 } /* Keyword.Namespace */
    .highlight .kp { color: #66d9ef } /* Keyword.Pseudo */
    .highlight .kr { color: #66d9ef } /* Keyword.Reserved */
    .highlight .kt { color: #66d9ef } /* Keyword.Type */
    .highlight .ld { color: #e6db74 } /* Literal.Date */
    .highlight .m { color: #ae81ff } /* Literal.Number */
    .highlight .s { color: #e6db74 } /* Literal.String */
    .highlight .na { color: #a6e22e } /* Name.Attribute */
    .highlight .nb { color: #f8f8f2 } /* Name.Builtin */
    .highlight .nc { color: #a6e22e } /* Name.Class */
    .highlight .no { color: #66d9ef } /* Name.Constant */
    .highlight .nd { color: #a6e22e } /* Name.Decorator */
    .highlight .ni { color: #f8f8f2 } /* Name.Entity */
    .highlight .ne { color: #a6e22e } /* Name.Exception */
    .highlight .nf { color: #a6e22e } /* Name.Function */
    .highlight .nl { color: #f8f8f2 } /* Name.Label */
    .highlight .nn { color: #f8f8f2 } /* Name.Namespace */
    .highlight .nx { color: #a6e22e } /* Name.Other */
    .highlight .py { color: #f8f8f2 } /* Name.Property */
    .highlight .nt { color: #f92672 } /* Name.Tag */
    .highlight .nv { color: #f8f8f2 } /* Name.Variable */
    .highlight .ow { color: #f92672 } /* Operator.Word */
    .highlight .w { color: #f8f8f2 } /* Text.Whitespace */
    .highlight .mb { color: #ae81ff } /* Literal.Number.Bin */
    .highlight .mf { color: #ae81ff } /* Literal.Number.Float */
    .highlight .mh { color: #ae81ff } /* Literal.Number.Hex */
    .highlight .mi { color: #ae81ff } /* Literal.Number.Integer */
    .highlight .mo { color: #ae81ff } /* Literal.Number.Oct */
    .highlight .sa { color: #e6db74 } /* Literal.String.Affix */
    .highlight .sb { color: #e6db74 } /* Literal.String.Backtick */
    .highlight .sc { color: #e6db74 } /* Literal.String.Char */
    .highlight .dl { color: #e6db74 } /* Literal.String.Delimiter */
    .highlight .sd { color: #e6db74 } /* Literal.String.Doc */
    .highlight .s2 { color: #e6db74 } /* Literal.String.Double */
    .highlight .se { color: #ae81ff } /* Literal.String.Escape */
    .highlight .sh { color: #e6db74 } /* Literal.String.Heredoc */
    .highlight .si { color: #e6db74 } /* Literal.String.Interpol */
    .highlight .sx { color: #e6db74 } /* Literal.String.Other */
    .highlight .sr { color: #e6db74 } /* Literal.String.Regex */
    .highlight .s1 { color: #e6db74 } /* Literal.String.Single */
    .highlight .ss { color: #e6db74 } /* Literal.String.Symbol */
    .highlight .bp { color: #f8f8f2 } /* Name.Builtin.Pseudo */
    .highlight .fm { color: #a6e22e } /* Name.Function.Magic */
    .highlight .vc { color: #f8f8f2 } /* Name.Variable.Class */
    .highlight .vg { color: #f8f8f2 } /* Name.Variable.Global */
    .highlight .vi { color: #f8f8f2 } /* Name.Variable.Instance */
    .highlight .vm { color: #f8f8f2 } /* Name.Variable.Magic */
    .highlight .il { color: #ae81ff } /* Literal.Number.Integer.Long */
}
@media (prefers-color-scheme: light) {
    .decoration {
        color:#fff;
    }
    pre {
        background-color: #fff;
    }

    .highlight > pre {
        background-color:#f8f8f8;
    }

    .highlight .hll { background-color: #ffffcc }
    .highlight  { background: #eeeedd; }
    .highlight .c { color: #228B22 } /* Comment */
    .highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
    .highlight .k { color: #8B008B; font-weight: bold } /* Keyword */
    .highlight .ch { color: #228B22 } /* Comment.Hashbang */
    .highlight .cm { color: #228B22 } /* Comment.Multiline */
    .highlight .cp { color: #1e889b } /* Comment.Preproc */
    .highlight .cpf { color: #228B22 } /* Comment.PreprocFile */
    .highlight .c1 { color: #228B22 } /* Comment.Single */
    .highlight .cs { color: #8B008B; font-weight: bold } /* Comment.Special */
    .highlight .gd { color: #aa0000 } /* Generic.Deleted */
    .highlight .ge { font-style: italic } /* Generic.Emph */
    .highlight .gr { color: #aa0000 } /* Generic.Error */
    .highlight .gh { color: #000080; font-weight: bold } /* Generic.Heading */
    .highlight .gi { color: #00aa00 } /* Generic.Inserted */
    .highlight .go { color: #888888 } /* Generic.Output */
    .highlight .gp { color: #555555 } /* Generic.Prompt */
    .highlight .gs { font-weight: bold } /* Generic.Strong */
    .highlight .gu { color: #800080; font-weight: bold } /* Generic.Subheading */
    .highlight .gt { color: #aa0000 } /* Generic.Traceback */
    .highlight .kc { color: #8B008B; font-weight: bold } /* Keyword.Constant */
    .highlight .kd { color: #8B008B; font-weight: bold } /* Keyword.Declaration */
    .highlight .kn { color: #8B008B; font-weight: bold } /* Keyword.Namespace */
    .highlight .kp { color: #8B008B; font-weight: bold } /* Keyword.Pseudo */
    .highlight .kr { color: #8B008B; font-weight: bold } /* Keyword.Reserved */
    .highlight .kt { color: #00688B; font-weight: bold } /* Keyword.Type */
    .highlight .m { color: #B452CD } /* Literal.Number */
    .highlight .s { color: #CD5555 } /* Literal.String */
    .highlight .na { color: #658b00 } /* Name.Attribute */
    .highlight .nb { color: #658b00 } /* Name.Builtin */
    .highlight .nc { color: #008b45; font-weight: bold } /* Name.Class */
    .highlight .no { color: #00688B } /* Name.Constant */
    .highlight .nd { color: #707a7c } /* Name.Decorator */
    .highlight .ne { color: #008b45; font-weight: bold } /* Name.Exception */
    .highlight .nf { color: #008b45 } /* Name.Function */
    .highlight .nn { color: #008b45; text-decoration: underline } /* Name.Namespace */
    .highlight .nt { color: #8B008B; font-weight: bold } /* Name.Tag */
    .highlight .nv { color: #00688B } /* Name.Variable */
    .highlight .ow { color: #8B008B } /* Operator.Word */
    .highlight .w { color: #bbbbbb } /* Text.Whitespace */
    .highlight .mb { color: #B452CD } /* Literal.Number.Bin */
    .highlight .mf { color: #B452CD } /* Literal.Number.Float */
    .highlight .mh { color: #B452CD } /* Literal.Number.Hex */
    .highlight .mi { color: #B452CD } /* Literal.Number.Integer */
    .highlight .mo { color: #B452CD } /* Literal.Number.Oct */
    .highlight .sa { color: #CD5555 } /* Literal.String.Affix */
    .highlight .sb { color: #CD5555 } /* Literal.String.Backtick */
    .highlight .sc { color: #CD5555 } /* Literal.String.Char */
    .highlight .dl { color: #CD5555 } /* Literal.String.Delimiter */
    .highlight .sd { color: #CD5555 } /* Literal.String.Doc */
    .highlight .s2 { color: #CD5555 } /* Literal.String.Double */
    .highlight .se { color: #CD5555 } /* Literal.String.Escape */
    .highlight .sh { color: #1c7e71; font-style: italic } /* Literal.String.Heredoc */
    .highlight .si { color: #CD5555 } /* Literal.String.Interpol */
    .highlight .sx { color: #cb6c20 } /* Literal.String.Other */
    .highlight .sr { color: #1c7e71 } /* Literal.String.Regex */
    .highlight .s1 { color: #CD5555 } /* Literal.String.Single */
    .highlight .ss { color: #CD5555 } /* Literal.String.Symbol */
    .highlight .bp { color: #658b00 } /* Name.Builtin.Pseudo */
    .highlight .fm { color: #008b45 } /* Name.Function.Magic */
    .highlight .vc { color: #00688B } /* Name.Variable.Class */
    .highlight .vg { color: #00688B } /* Name.Variable.Global */
    .highlight .vi { color: #00688B } /* Name.Variable.Instance */
    .highlight .vm { color: #00688B } /* Name.Variable.Magic */
    .highlight .il { color: #B452CD } /* Literal.Number.Integer.Long */
}

.decoration {
    font-family: 'courier new', monospace;
}

@media screen {
    h1 {
        padding:.9em 0rem .4em;
        position:relative;
        z-index:1;
    }
    .decoration {
        position: absolute;
        top: 0;
        left: 0;
        font-size: 1.5em;
        line-height:1.1em;

        div:nth-child(1) span::before {
            background-color: seagreen;
            content: '░▒▓';
        }
        div:nth-child(2) span::before {
            background-color: seagreen;
            content: '▒▓';
        }
        div:nth-child(3) span::before {
            background-color: seagreen;
            content: '▓';
        }
        div:nth-child(3) span:hover::before {
            content: '☻';
        }
    }
}
.math {
    text-align: center;
    margin: 1.5rem 0;
}