added css:

style/style.css

@@ -0,0 +1,52 @@
+/* styles.css 
+*  Global Color Theme
+*  ex: `  color: var(--red);`
+*/
+:root {
+  --bg-one: #111111; /* black */
+  --bg-two: #303030; /* gray  */
+
+  --fg-one: #ffffff; /* white */
+  --fg-two: #f3f3f3; /* light gray */
+
+  --blue: #1e90ff;
+  --red: #e63946;
+  --green: #2a9d8f;
+}
+
+/* General Site */
+html, body {
+  margin: 0;
+  padding: 0;
+  height: 100%;
+
+  background-color: var(--bg-one);
+  color: var(--fg-one);
+}
+
+/* container centered at 85% width */
+.container {
+  width: 70vw;
+  margin: 0 auto;
+}
+
+h2 {
+  font-size: 3rem;
+}
+
+/* scroll.js */
+/* base state: slightly shrunken + faded out */
+.scroll-section {
+  transform: scale(0.85);
+  opacity: 0.5;
+  transition: 
+    transform 0.6s cubic-bezier(.22,.61,.36,1),
+    opacity   0.6s cubic-bezier(.22,.61,.36,1);
+  transform-origin: center center;
+}
+
+/* when in view: full size + fully opaque */
+.scroll-section.in-view {
+  transform: scale(1);
+  opacity: 1;
+}