More cleanup.

Author: sean-parent

_sass/_base.scss renamed to _sass/_foundation.scss

@@ -422,8 +422,6 @@ table {
                 vertical-align: top;
                 padding-right: 1.5em;
             }
-            > td.brief {
-            }
         }
     }
 }
@@ -457,8 +455,6 @@ table {
                 vertical-align: top;
                 padding-right: 1.5em;
             }
-            > td.defn {
-            }
         }
     }
 }
@@ -481,8 +477,6 @@ table {
     > tbody {
         > tr {
             border-top: 1px solid $table-separator-color;
-            > td {
-            }
         }
     }
 }
@@ -583,8 +577,6 @@ span.annotation {
                 font-family: $code-font-family;
                 padding-right: 1.5em;
             }
-            > td.defn {
-            }
         }
     }
 }

_sass/_layout.scss

@@ -1,5 +1,7 @@
 ---
 ---
 
-@use "main";
+@use "theme" as *;
+@use "foundation" as *;
+@use "layout" as *;
 @use "syntax-highlighting-light";