Fix error boundary CSS

app/javascript/flavours/glitch/styles/components/error_boundary.scss

@@ -1,4 +1,8 @@
 .error-boundary {
+  color: $primary-text-color;
+  font-size: 15px;
+  line-height: 20px;
+
   h1 {
     font-size: 26px;
     line-height: 36px;
@@ -6,11 +10,6 @@
     margin-bottom: 8px;
   }
 
-  p {
-    color: $primary-text-color;
-    font-size: 15px;
-    line-height: 20px;
-
   a {
     color: $primary-text-color;
     text-decoration: underline;
@@ -28,5 +27,4 @@
     white-space: pre;
     font-family: $font-monospace, monospace;
   }
-  }
 }