diff --git a/html/js/scripts.js b/html/js/scripts.js
index acc485ac9..31223cb93 100644
--- a/html/js/scripts.js
+++ b/html/js/scripts.js
@@ -1145,8 +1145,8 @@ function mod_predf_op(dossier_id, od_id)
     var target = "mod_predf_op";
     removeDiv(target);
     var sx = '20%';
-    var sy = '20%';
-    var str_style = "top:" + sx + ";left:" + sy + 'width:60%;';
+    var sy = '10%';
+    var str_style = "top:" + sx + ";left:" + sy+";";
 
     var div = {id: target, cssclass: 'inner_box', style: str_style, html: loading(), drag: 1};
 
diff --git a/html/style-classic.css b/html/style-classic.css
index 9dc181823..c4f30e92b 100644
--- a/html/style-classic.css
+++ b/html/style-classic.css
@@ -1439,3 +1439,8 @@ fieldset {
 #tva_select table {
     border-spacing: 0px;
 }
+#mod_predf_op {
+    width: 80%;
+    overflow: auto;
+    overflow-style: panner;
+}
\ No newline at end of file
diff --git a/html/style-light.css b/html/style-light.css
index 9dc181823..c4f30e92b 100644
--- a/html/style-light.css
+++ b/html/style-light.css
@@ -1439,3 +1439,8 @@ fieldset {
 #tva_select table {
     border-spacing: 0px;
 }
+#mod_predf_op {
+    width: 80%;
+    overflow: auto;
+    overflow-style: panner;
+}
\ No newline at end of file
diff --git a/html/style-mandarine.css b/html/style-mandarine.css
index 999b1f70b..326fe0b71 100644
--- a/html/style-mandarine.css
+++ b/html/style-mandarine.css
@@ -1451,4 +1451,9 @@ a {
 color: brown;
 /* text-decoration: underline; */
 cursor: auto;
+}
+#mod_predf_op {
+    width: 80%;
+    overflow: auto;
+    overflow-style: panner;
 }
\ No newline at end of file
diff --git a/html/style-mobile.css b/html/style-mobile.css
index c2b8d1075..d381e1748 100644
--- a/html/style-mobile.css
+++ b/html/style-mobile.css
@@ -1439,3 +1439,8 @@ fieldset {
 #tva_select table {
     border-spacing: 0px;
 }
+#mod_predf_op {
+    width: 80%;
+    overflow: auto;
+    overflow-style: panner;
+}
\ No newline at end of file