diff --git a/assets/scss/bergamot.scss b/assets/scss/bergamot.scss
index 1cadc6e..cabff5a 100644
--- a/assets/scss/bergamot.scss
+++ b/assets/scss/bergamot.scss
@@ -62,12 +62,12 @@
             @include bordered-block;
             padding: 0.5rem;
             font-family: $font-body;
+            border-style: dotted;
 
             &.active {
                 border-color: $primary-color;
+                border-style: solid;
                 font-weight: bold;
-                text-decoration: underline;
-                text-underline-offset: 0.15rem;
             }
 
             &:not(:first-child) {
@@ -84,6 +84,7 @@
 
         button.active + button {
             border-left-color: $primary-color;
+            border-left-style: solid;
         }
 
         margin-bottom: 1rem;