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141 lines
2.9 KiB
CSS
141 lines
2.9 KiB
CSS
:root {
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--space: 1rem;
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--border: 4px;
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--page-width: 80ch;
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--font-family: 'Helvetica', sans-serif;
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--color-link: black;
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--color-active: royalblue;
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--ease: cubic-bezier(0.23, 1, 0.32, 1);
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--duration: 350ms;
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--section-offset: 0;
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}
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* {
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box-sizing: border-box;
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}
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html {
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--scroll-behavior: smooth;
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scroll-behavior: var(--scroll-behavior);
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}
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@media (prefers-reduced-motion: reduce) {
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html {
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--scroll-behavior: auto;
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}
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}
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body {
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font-family: var(--font-family);
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line-height: 1.5;
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}
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h1, h2, h3 {
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font-weight: bold;
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line-height: 1.25;
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}
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h1 {
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font-size: 2.75rem;
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}
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h2 {
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font-size: 2.25rem;
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}
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h3 {
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font-size: 1.5rem;
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}
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ul:not(.menu) {
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list-style-type: disc;
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margin-left: var(--space);
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}
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ul:not(.menu) > li + li {
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margin-top: var(--space);
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}
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.nav-sections {
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position: -webkit-sticky;
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position: sticky;
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top: 0;
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width: 100%;
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background-color: white;
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box-shadow: inset lightgray 0 -1px 0, rgba(0, 0, 0, 0.15) 0 3px 10px 0;
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z-index: 100;
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}
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.nav-sections .menu {
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position: relative;
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display: flex;
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flex-wrap: nowrap;
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overflow: scroll;
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-ms-scroll-chaining: none;
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overscroll-behavior: none;
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scrollbar-width: none;
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-ms-overflow-style: none;
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margin: 0 auto;
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max-width: var(--page-width);
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-webkit-transform: translateZ(0);
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transform: translateZ(0);
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transition: -webkit-transform var(--ease) var(--duration);
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transition: transform var(--ease) var(--duration);
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transition: transform var(--ease) var(--duration), -webkit-transform var(--ease) var(--duration);
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}
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.nav-sections .menu::-webkit-scrollbar {
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display: none;
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}
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.nav-sections .menu-item-link {
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display: block;
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padding: calc(var(--space) * 1.5) var(--space);
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text-decoration: none;
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white-space: nowrap;
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color: var(--color-link);
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transition: color var(--ease) var(--duration);
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}
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.nav-sections .menu-item-link.active {
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color: var(--color-active);
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}
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.active-line {
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position: absolute;
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bottom: 0;
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left: 0;
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height: 4px;
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background-color: var(--color-active);
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transition: width var(--ease) var(--duration), -webkit-transform var(--ease) var(--duration);
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transition: width var(--ease) var(--duration), transform var(--ease) var(--duration);
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transition: width var(--ease) var(--duration), transform var(--ease) var(--duration), -webkit-transform var(--ease) var(--duration);
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}
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.placeholder-section {
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display: flex;
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align-items: center;
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justify-content: center;
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text-align: center;
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height: 50vh;
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background-color: lightgray;
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}
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.page-sections {
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margin: 0 auto;
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max-width: var(--page-width);
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}
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.page-section {
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margin: calc(var(--space) * 2) 0;
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padding: calc(var(--space) * 2) var(--space);
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}
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.page-section > * + * {
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margin-top: calc(var(--space) * 1.5);
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}
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.section-title {
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outline: none;
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}
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.section-title:before {
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content: "";
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display: block;
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visibility: hidden;
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pointer-events: none;
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margin-top: calc(var(--section-offset) * -1px);
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height: calc(var(--section-offset) * 1px);
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} |