style: sharper hero subtitle and one-line sidebar categories

Author: gulien

src/components/Homepage.js

@@ -138,8 +138,8 @@ curl \\
             </h1>
 
             <p className={styles.subtitle}>
-              Send a file, get a PDF back. Chromium, LibreOffice, and PDF
-              engines in one container.
+              Convert web pages and office documents into PDFs with a single API
+              call. Chromium, LibreOffice, and PDF engines included.
             </p>
 
             <div className={styles.buttons}>

src/css/custom.css

@@ -602,9 +602,10 @@ a[class*="sidebarLogo"] b {
 .menu__list-item-collapsible > .menu__link {
   color: var(--ifm-color-content);
   font-weight: 700;
-  font-size: 0.85rem;
+  font-size: 0.78rem;
   text-transform: uppercase;
-  letter-spacing: 0.05em;
+  letter-spacing: 0.04em;
+  white-space: nowrap;
   padding-top: 12px;
   padding-bottom: 12px;
 }