diff --git a/styles/h5p.css b/styles/h5p.css
index 4586952..923af7c 100644
--- a/styles/h5p.css
+++ b/styles/h5p.css
@@ -421,3 +421,15 @@ div.h5p-fullscreen {
 .h5p-dialog-ok-button:active {
   background: #eeffee;
 }
+
+/* Override some theme rules that might be a bit extreme */
+.h5p-content span {
+  display: initial;
+  float: initial;
+  width: initial;
+  min-height: initial;
+  margin-left: initial;
+  -webkit-box-sizing: initial;
+  -moz-box-sizing: initial;
+  box-sizing: initial;
+}