Remove some css classes that were no longer needed (in default themes)

brutaldon/static/css/brutaldon-dark.css

@@ -217,19 +217,6 @@ input#id_poll_frequency
     max-width: 90%;
 }
 
-.card-image
-{
-    padding: 1em;
-}
-
-.card-image figure
-{
-    padding: 0;
-    max-height: 256px;
-    max-width: 256px;
-
-}
-
 #username_autocomplete
 {
     height: 0;

brutaldon/static/css/brutaldon.css

@@ -200,18 +200,6 @@ body.has-navbar-fixed-top, html.has-navbar-fixed-top {
     max-width: 90%;
 }
 
-.card-image
-{
-    padding: 1em;
-}
-
-.card-image figure
-{
-    padding: 0;
-    max-height: 256px;
-    max-width: 256px;
-
-}
 
 #username_autocomplete
 {

brutaldon/templates/main/toot_partial.html

@@ -65,7 +65,7 @@
                                 <div class="column is-one-third">
                                     <figure>
                                         <a href="{{ toot.card.url }}">
-                                            <img class="image is-max-256" alt="{{ toot.card.title }}"
+                                            <img alt="{{ toot.card.title }}"
                                                  src="{{ toot.card.image }}">
                                         </a>
                                     </figure>