welcome.css

@import url("https://cdn.jsdelivr.net/npm/inter-ui@3.19.3/inter-latin.css");

:root {
    --pluto-cell-spacing: 17px;
    /* use the value "contextual" to enable contextual ligatures `document.documentElement.style.setProperty('--pluto-operator-ligatures', 'contextual');`
        for julia mono see here: https://cormullion.github.io/pages/2020-07-26-JuliaMono/#contextual_and_stylistic_alternates_and_ligatures */
    --pluto-operator-ligatures: none;
    --julia-mono-font-stack: JuliaMono, Menlo, "Roboto Mono", "Lucida Sans Typewriter", "Source Code Pro", monospace;
    --sans-serif-font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    --lato-ui-font-stack: "Lato", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Cantarell, Helvetica, Arial, "Apple Color Emoji",
        "Segoe UI Emoji", "Segoe UI Symbol", system-ui, sans-serif;
    --inter-ui-font-stack: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Cantarell, Helvetica, Arial, "Apple Color Emoji",
        "Segoe UI Emoji", "Segoe UI Symbol", system-ui, sans-serif;

    color-scheme: light dark;
}

html {
    font-family: var(--inter-ui-font-stack);
    font-size: 17px;
}

main {
    display: block;
    max-width: 1200px;
    padding: 1rem;
    margin: 0 auto;
}
/* font-size: 1.7em; */

header {
    background-color: #f5efd2; /* background-image: linear-gradient(to top, white, #fff0), var(--noise-4); */
    /* filter: var(--noise-filter-1); */
    display: flex;
    background-size: cover;
    justify-content: center;
    padding: 1.3rem;
}
header h1 {
    font-weight: 500;

    /* font-style: italic; */
    text-align: center;
    /* color: white; */
}

section#mywork,
section#open {
    /* --c1: rgb(255 255 255 / 20%); */
    /* --c2: rgb(255 255 255 / 7%); */
    /* background-color: #92add9; */
    /* --grad-stops: transparent 9%, var(--c1) 10%, var(--c1) 12%, transparent 13%, transparent 29%, var(--c2) 30%, var(--c2) 31%, transparent 32%, transparent 49%,
        var(--c2) 50%, var(--c2) 51%, transparent 52%, transparent 69%, var(--c2) 70%, var(--c2) 71%, transparent 72%, transparent 89%, var(--c2) 90%,
        var(--c2) 91%, transparent 92%, transparent; */
    /* background-size: 40px 40px; */
    /* background-position: 20px 20px; */
    /* background-image: linear-gradient(360deg, var(--grad-stops)), linear-gradient(90deg, var(--grad-stops)); */
    /* background: #f5f5f6; */
    /* position: relative; */
    /* background: url("https://computationalthinking.mit.edu/Spring21/homepage/bg.svg"); */ /* background-size: cover; */ /* background-position: 0% 70%; */
    background: var(--welcome-mywork-bg);
    /* background: var(--header-bg-color); */
    position: relative;
}

.pluto-logo {
    font-style: normal;
    font-weight: 800;
    color: inherit;
    /* padding: 0.3em; */
    display: flex;
    flex-direction: row;
    padding: 0.5em;
    align-items: center;
    gap: 0.5ch;
    font-family: var(--inter-ui-font-stack);
    transform: translateY(0.23em);
}

.pluto-logo img {
    height: 1.2em;
    width: 1.2em;
}

#new {
    background: var(--welcome-open-bg);
    box-shadow: -2px 4px 9px 0px #00000012;
    padding: 1.3rem;
    border-radius: 0.6rem;
    margin: 1rem;
    /* border: 0.3rem solid #d6e0d8; */
}

#new.desktop_opener {
    display: flex;
    flex-direction: row;
    align-content: center;
    justify-content: space-around;
    box-shadow: none;
    position: relative;
}

#new.desktop_opener .desktop_picker {
    width: 100%;
}

section {
    display: flex; /* overflow: hidden; */ /* place-items: center; */ /* margin: 0rem 0rem; */

    flex-direction: row;
    justify-content: center;
}

section > div {
    margin: 1rem 1rem;
    max-width: 614px;
    /* margin: auto; */
    flex: 1 1 auto;
    min-width: 0;
}

.pluto-logo {
    background: white;
    border-radius: 0.4em;
    display: flex;
    flex: 0 1 auto;
    transform: none;
    font-size: 1.6rem;
}

section#open {
    /* background: #f5f5f6; */
    /* box-shadow: inset 1px 1px 20px red; */
    position: relative;
}

section#featured > div {
    max-width: 900px;
}

header > div {
    max-width: 62rem; /* margin: 0 auto; */
    flex: 1 1 auto;
    display: flex;
    z-index: 1;
}

section#mywork::before,
section#open::after {
    --c: hsl(196deg 20% 26% / 6%);
    content: "";
    height: 50px;
    top: 0px;
    left: 0;
    right: 0;
    position: absolute;
    display: block;
    background: linear-gradient(0deg, transparent, var(--c));
    pointer-events: none;
    z-index: 0;
}

:where(#mywork, #open) h2 {
    /* color: black; */
    --off: 4px;
    --offm: -4px;
    --oc: #ffffff;
    /* text-shadow: var(--off) 0 var(--oc), var(--off) var(--off) var(--oc), 0 var(--off) var(--oc), var(--offm) var(--off) var(--oc), var(--offm) 0 var(--oc),
        var(--offm) var(--offm) var(--oc), 0 var(--offm) var(--oc), var(--off) var(--offm) var(--oc); */
    display: inline-block; /* background: #fffffffc; */ /* padding: 0.4em; */
    border-radius: 0.4em;
    /* color: white; */ /* text-transform: uppercase; */
    margin: 2rem 0rem 0rem 0;
}

section#open::after {
    top: unset;
    bottom: 0;
    background: linear-gradient(0deg, var(--c), transparent);
}

div#app {
    /* background: url(https://computationalthinking.mit.edu/Spring21/homepage/bg.svg); */
    background-size: cover;
    background-position: 0% 77%;
}

section#featured {
    /* background: white; */
}

.new a {
    text-decoration: none; /* font-weight: 700; */
    font-weight: 500;
    font-style: italic;
}

li.new {
    position: sticky;
    background: var(--welcome-newnotebook-bg);
    top: 0;
    z-index: 2;
}

h1 {
    font-size: 2.8rem;
    margin-block-end: 0em;
}

.collection {
    margin: 6em 0;
}

.collection h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin: 0;
}

#featured p {
    max-width: 54ch;
    color: #757575;
}

.author {
    position: absolute;
    top: 0.3em;
    right: 0.3em;
    background: var(--welcome-card-author-backdrop);
    /* background: hsl(var(--card-color-hue) 34% 46% / 59%); */
    backdrop-filter: blur(15px);
    color: black;
    border-radius: 117px;
    /* height: 2.5em; */
    padding: 0.3em;
    padding-right: 0.8em;
    display: flex;
}

.author a {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.4ch;
}

#github img {
    aspect-ratio: 1;
    filter: var(--image-filters);
    width: 2rem;
}

a#github {
    display: block;
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
}

.show-scrollbar::-webkit-scrollbar {
    width: 10px;
    opacity: 0.1;
}
.show-scrollbar::-webkit-scrollbar-track {
}
.show-scrollbar::-webkit-scrollbar-thumb {
    /* height: 11px; */
    background-color: var(--black);
    opacity: 0.6;
    border-radius: 1000px;
}
.show-scrollbar::-webkit-scrollbar-thumb:hover {
    opacity: 1;
}