:art: fixing grid span for inbetween cards again

vue-theme/src/pages/list.vue

@@ -228,7 +228,7 @@ export default {
             .post
                 width: 100%
                 &.inbetween
-                    grid-column: span 3
+                    grid-column: span 2
                     background: white
                     padding: 0.3em 0
                     font-size: 1.3em