diff --git a/themes/dark/dark.css b/themes/dark/dark.css
index e2affd4cbd83117a967a469b846083de04ad494c..2f9aaf96c38ca1b0c1fdc41d6f5784d30354f50d 100644
--- a/themes/dark/dark.css
+++ b/themes/dark/dark.css
@@ -10,7 +10,6 @@
 *html #drupalchat {
   display: none;
 }
-
 #drupalchat-wrapper {
   bottom: 0;
   height: 29px;
@@ -19,6 +18,13 @@
   right: 0;
   z-index: 9999; /*--Keeps the panel on top of all other elements--*/
 }
+#drupalchat-wrapper *,
+#drupalchat-wrapper *:before,
+#drupalchat-wrapper *:after {
+  -webkit-box-sizing: content-box;
+     -moz-box-sizing: content-box;
+          box-sizing: content-box;
+}
 #drupalchat {
   /*background: #333333;
   border: 1px solid #1D1D1D;*/
diff --git a/themes/light/light.css b/themes/light/light.css
index b39125a51e78ea98fefdeec1961cf51291127181..5b93e75e6434b592c2d120ac4d5264bacc605b27 100644
--- a/themes/light/light.css
+++ b/themes/light/light.css
@@ -10,7 +10,6 @@
 *html #drupalchat {
   display: none;
 }
-
 #drupalchat-wrapper {
   bottom: 0;
   height: 29px;
@@ -19,6 +18,13 @@
   right: 0;
   z-index: 9999; /*--Keeps the panel on top of all other elements--*/
 }
+#drupalchat-wrapper *,
+#drupalchat-wrapper *:before,
+#drupalchat-wrapper *:after {
+  -webkit-box-sizing: content-box;
+     -moz-box-sizing: content-box;
+          box-sizing: content-box;
+}
 #drupalchat {
   /*background: #e5e5e5;*/
   /*border: 1px solid #b5b5b5;*/