Add slides for R/Basel [no ci] (#148)

* Add basel slides

* Correct typos

* Say more in the last slide

* Trim slides

* Finalize the slides

paper/basel2023_rang/_extensions/gesiscss/fakegesis/_extension.yml

@@ -0,0 +1,12 @@
+title: Fake GESIS Presentation Template
+author: Chung-hong Chan
+version: 0.0.1
+quarto-required: ">=1.2.231"
+contributes:
+  formats:
+    revealjs:
+      slide-number: c
+      highlight-style: github
+      theme: fakegesis.scss
+      footer: "[www.gesis.org](http://www.gesis.org)"
+      logo: gesis.png

paper/basel2023_rang/_extensions/gesiscss/fakegesis/fakegesis.scss

@@ -0,0 +1,125 @@
+/*-- scss:defaults --*/
+
+// fonts
+$font-family-sans-serif: 'Helvetica' !default;
+
+// colors
+$body-bg: #ffffff !default;
+$body-color: #000000 !default;
+$link-color: #58748f !default;
+
+$code-block-bg: #ffffdc !default;
+$code-block-border-color: $body-color !default;
+
+$code-bg: #c6d1dc !default;
+$code-color: $link-color !default;
+$code-block-bg-alpha: -.1 !default;
+
+$presentation-heading-color: $link-color !default;
+
+/*-- scss:rules --*/
+
+.picture {
+  border-style: solid;
+  border-width: 3pt;
+  border-color: $body-color;
+  border-radius: 50%;
+  padding: 5pt;
+  height: 50%;
+  width: auto;
+}
+
+#title-slide {
+  text-align: left;
+
+  .institute,
+  .quarto-title-affiliation {
+    // font-style: italic;
+    font-size: 60%;
+  }
+
+  .author,
+  .quarto-title-author-name {
+    color: $body-color;
+  }
+
+  .quarto-title-authors {
+    display: flex;
+    justify-content: left;
+
+    .quarto-title-author {
+      padding-left: 0em;
+      padding-right: 0em;
+      width: 100%;
+    }
+  }
+
+  p.author::before,
+  div.quarto-title-author::before {
+    content: "";
+    display: block;
+    border: none;
+    background-color: $body-color;
+    color: $body-color;
+    height: 3px;
+    margin-bottom: 1em;
+  }
+
+  p, a {
+    color: $link-color;
+  }
+}
+
+.footer {
+  bottom: 10px !important;
+  // color: #58748f !important;
+}
+
+.reveal .progress {
+    top: 0 !important;
+    height: 2% !important;
+}
+
+.slide-logo {
+  display: block !important;
+  position: fixed !important;
+  top: 2% !important;
+  left: 1.5% !important;
+  max-height: 10% !important;
+  height: 3.5% !important;
+  width: auto !important;
+  color: $body-color !important;
+}
+
+.slide-menu-button {
+  left: 10px !important;
+  bottom: 10px !important;
+}
+
+.slide-number,
+.reveal.has-logo .slide-number {
+  bottom: 10px !important;
+  right: 10px !important;
+  top: unset !important;
+  color: $body-color !important;
+}
+
+.cell-output {
+  border: 1px solid $body-color;
+  border-radius: 4px;
+}
+
+.center-x {
+    text-align: center;
+    background-color: $code-bg;
+    // color: #58748f ;
+}
+
+.center-xy {
+  margin: 0;
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  -ms-transform: translateY(-50%), translateX(-50%);
+  transform: translateY(-50%), translateX(-50%);
+}