diff --git a/HyperSet/.idea/workspace.xml b/HyperSet/.idea/workspace.xml
index ae490e0..466efad 100644
--- a/HyperSet/.idea/workspace.xml
+++ b/HyperSet/.idea/workspace.xml
@@ -91,7 +91,7 @@
       <workItem from="1592386067985" duration="18199000" />
       <workItem from="1592480910771" duration="8909000" />
       <workItem from="1592564170927" duration="15576000" />
-      <workItem from="1592817049643" duration="10719000" />
+      <workItem from="1592817049643" duration="10891000" />
     </task>
     <servers />
   </component>
diff --git a/HyperSet/vues/css/style-page.css b/HyperSet/vues/css/style-page.css
index a4477cf..801deec 100644
--- a/HyperSet/vues/css/style-page.css
+++ b/HyperSet/vues/css/style-page.css
@@ -230,6 +230,7 @@ select::-ms-expand {
 .play-btn {
     width: 150px;
     height: 150px;
+    position: fixed;
     left: 0;
     right: 0;
     bottom: 0;