added description back to rank dynamics blog

adjusted main.scss to that text is not displayed over the rank dynamics header image. Reverted changes to welcome.md.

Author: mdcramer

_data/blogs.yml

@@ -14,7 +14,7 @@ internal_blogs:
     background: darkgoldenrod
 
   - name: rank dynamics
-    # description: A backup of the blog from the company I founded. We improved search by transforming the traditional static list of links into a fluid experience where relevance was improved by dynamically re-ranking results in response to implicit user feedback.
+    description: A backup of the blog from the company I founded. We improved search by transforming the traditional static list of links into a fluid experience where relevance was improved by dynamically re-ranking results in response to implicit user feedback.
     background: rankdynamicsheader # darkgoldenrod works
 
 external_blogs:

_rank-dynamics/welcome.md

@@ -1,6 +1,6 @@
 ---
 title: "Welcome"
-excerpt: "A backup of the blog from the company I founded. We improved search by transforming the traditional static list of links into a fluid experience where relevance was improved by dynamically re-ranking results in response to implicit user feedback. Open this post to find our mission, links to top posts and published research."
+excerpt: "A backup of the blog from the company I founded. Open this post to find our mission, links to top posts and published research."
 date: 2021-12-23
 last_modified_at: 2021-12-24
 tags: [top-posts, announcements]

assets/css/main.scss

@@ -47,11 +47,17 @@
 .page__hero--overlay[style*="apple2header"] {
   background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), 
               url('/assets/images/apple2/apple2-header.jpg') center center/cover no-repeat !important;
-  min-height: 150px;
+  min-height: 200px;
 }
 .page__hero--overlay[style*="rankdynamicsheader"] {
   background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), 
               url('/assets/images/rank-dynamics/rankdynamicsheader.jpg') center top/cover no-repeat !important;
+  min-height: 200px;
+}
+/* Hide text overlay for Rank Dynamics blog */
+.page__hero--overlay[style*="rankdynamicsheader"] .page__title,
+.page__hero--overlay[style*="rankdynamicsheader"] .page__lead {
+  display: none !important;
 }
 
 /* define the no-break class to prevent any line breaks within that element */