pages/src/routes/+layout.svelte

<script>
    import Header from "$lib/header.svelte";
    import Footer from "$lib/footer.svelte";

	let { children } = $props();
</script>

<Header />

<div class="waters"></div>
{@render children()}

<Footer />

<style>
    /* @import url('https://fonts.upset.dev/css2?family=Reddit+Mono:wght@200..900&family=Reddit+Sans+Condensed:wght@200..900&family=Reddit+Sans:ital,wght@0,200..900;1,200..900&family=Space+Mono:ital,wght@0,400;0,700;1,400;1,700&display=swap'); */
    
    @import url('https://fonts.upset.dev/css2?family=IBM+Plex+Mono:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;1,100;1,200;1,300;1,400;1,500;1,600;1,700&family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Manrope:wght@200..800&family=Michroma&family=Space+Grotesk:wght@300..700&display=swap');

    @font-face {
        font-family: 'Monument Extended';
        font-weight: 00;
        font-style: normal;
        src: url('/fonts/ppmonument-extended/.woff');
    }
    @font-face {
        font-family: 'Monument Extended';
        font-weight: 100;
        font-style: normal;
        src: url('/fonts/ppmonument-extended/thin.woff');
    }
    @font-face {
        font-family: 'Monument Extended';
        font-weight: 200;
        font-style: normal;
        src: url('/fonts/ppmonument-extended/light.woff');
    }
    @font-face {
        font-family: 'Monument Extended';
        font-weight: 300;
        font-style: normal;
        src: url('/fonts/ppmonument-extended/book.woff');
    }
    @font-face {
        font-family: 'Monument Extended';
        font-weight: 400;
        font-style: normal;
        src: url('/fonts/ppmonument-extended/regular.woff');
    }
    @font-face {
        font-family: 'Monument Extended';
        font-weight: 500;
        font-style: normal;
        src: url('/fonts/ppmonument-extended/medium.woff');
    }
    @font-face {
        font-family: 'Monument Extended';
        font-weight: 700;
        font-style: normal;
        src: url('/fonts/ppmonument-extended/bold.woff');
    }
    @font-face {
        font-family: 'Monument Extended';
        font-weight: 800;
        font-style: normal;
        src: url('/fonts/ppmonument-extended/black.woff');
    }
    @font-face {
        font-family: 'Monument Extended';
        font-weight: 900;
        font-style: normal;
        src: url('/fonts/ppmonument-extended/heavy.woff');
    }

    :global {
        :root {
            --color-text: #d0d0d0;
            --color-text-img: invert(98%) sepia(1%) saturate(4643%) hue-rotate(297deg) brightness(115%) contrast(76%);
            --color-text-dark: #1e1e1e;
            --color-highlight: #72b175;

            --color-background: #1b1b1b;
            --color-background-highlight: color-mix(in srgb, var(--color-highlight) 10%, transparent);
            --color-background-highlight-hover: color-mix(in srgb, var(--color-highlight) 60%, transparent);
            
            --color-waters: #2b2b2b;

            --notch-size: 32px;
            --notch-size-small: 16px;

            --color-link-unvisited: #c2e8ff;
            --color-link-visited: #ffd7f0;
            --color-link-hovered: #ffdad5;

            --font-title: 'Monument Extended';
            --font-sans-serif: 'Manrope', 'Lato', sans-serif;
            --font-mono: 'IBM Plex Mono', monospace;
        }

        html {
            scroll-behavior: smooth;
            position: relative;
            min-height: 100%;
        }

        body {
            font-family: var(--font-sans-serif);
            font-size: 1.1rem;
            color: var(--color-text); /* text colour */
            
            background-color: var(--color-background);
        }

        .waters {
            position: fixed;
            z-index: -99;
            top: 0;
            left: 0;
            height: 100%;
            width: 100%;
            background-color: var(--color-waters);
            mask-image: url('/bremen-waters-white.svg');
            mask-position: center;
            background-position: center;
            background-attachment: fixed;
        }

        p, span, li, pre, a {
            color: var(--color-text);
            line-height: 1.7rem;
            font-weight: 500;
        }

        h1 {
            font-size: 3.5rem;
            line-height: 4rem;
        }
        h2 {
            font-size: 2rem;
            line-height: 2.2rem;
        }
        h3 {
            font-size: 1.4rem;
            line-height: 1.5rem;
        }
        h4, h5, h6 {
            font-size: 1.2rem;
            line-height: 1.3rem;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            font-family: var(--font-title);
            color: var(--color-highlight);
            margin-top: 12px;
            margin-bottom: 8px;
            width: fit-content;
        }

        code, .code-block {
            font-family: var(--font-mono);
            font-size: 1.0em;
            font-weight: 500;
            background-color: var(--color-background-highlight);
            /* color: var(--color-background); */
            border-radius: 8px;
            padding-left: 6px;
            padding-right: 6px;
        }

        img, video {
            width: 80%;
            margin-left: auto;
            margin-right: auto;
            display: flex;
        }

        .horizontally-centre-aligned {
            width: 80%;
            display: flex;
            justify-content: center;
            align-items: center;
            margin-left: auto;
            margin-right: auto;
        }

        a:link {
            color: var(--color-link-unvisited);
        }
        /* visited link */
        a:visited {
            color: var(--color-link-visited);
        }
        /* mouse over link */
        a:hover {
            color: var(--color-link-hovered);
        }

        .notched {
            clip-path: polygon(
                0% var(--notch-size), 
                var(--notch-size) 0%, 
                calc(100% - var(--notch-size)) 0%, 
                100% var(--notch-size), 
                100% calc(100% - var(--notch-size)), 
                calc(100% - var(--notch-size)) 100%, 
                var(--notch-size) 100%, 
                0% calc(100% - var(--notch-size))
            );
        }

        .notched-small {
            clip-path: polygon(
                0% var(--notch-size-small), 
                var(--notch-size-small) 0%, 
                calc(100% - var(--notch-size-small)) 0%, 
                100% var(--notch-size-small), 
                100% calc(100% - var(--notch-size-small)), 
                calc(100% - var(--notch-size-small)) 100%, 
                var(--notch-size-small) 100%, 
                0% calc(100% - var(--notch-size-small))
            );
        }
    }
</style>