Move from HTML templates to pure Python

Remove cruft

games/static/base.css

@@ -895,18 +895,12 @@
       max-width: 96rem;
     }
   }
-  .m-4 {
-    margin: calc(var(--spacing) * 4);
-  }
   .mx-2 {
     margin-inline: calc(var(--spacing) * 2);
   }
   .mx-auto {
     margin-inline: auto;
   }
-  .my-4 {
-    margin-block: calc(var(--spacing) * 4);
-  }
   .my-6 {
     margin-block: calc(var(--spacing) * 6);
   }
@@ -1574,9 +1568,6 @@
   .w-full {
     width: 100%;
   }
-  .max-w-\(--breakpoint-lg\) {
-    max-width: var(--breakpoint-lg);
-  }
   .max-w-\(--breakpoint-xl\) {
     max-width: var(--breakpoint-xl);
   }
@@ -3778,11 +3769,6 @@
       text-underline-offset: 4px;
     }
   }
-  .\[\&_h1\]\:mb-2 {
-    & h1 {
-      margin-bottom: calc(var(--spacing) * 2);
-    }
-  }
   .\[\&_li\:first-of-type_a\]\:rounded-none {
     & li:first-of-type a {
       border-radius: 0;