Fix: ginormous card fonts

Fix: drop shadow in nav bar

Author: lwasser

_packaging/packaging.md

@@ -1,5 +1,5 @@
 ---
-title: "Create your Python package structure"
+title: "Create Python package structure"
 excerpt: "Learn about the best way to create your Python package."
 subpages:
   - name: The structure of a Python package

_sass/minimal-mistakes/_pyos-cards.scss

@@ -19,6 +19,7 @@
     align-items: stretch;
 
     .card {
+        font-size: .8em;
         display: flex;
         flex-direction: column;
         background-color: #fff;

_sass/minimal-mistakes/_pyos-dropdown.scss

@@ -28,6 +28,7 @@
   margin-right: auto;
   display: block;
   max-height: 3rem!important;
+  box-shadow: none!important;
 }