diff --git a/html/css/custom/styles.css b/html/css/custom/styles.css
index 6fb0d0cfdcfcfd0139731b46f05ed46a3ed0bfd4..871241588c4b09bae8b1de524b74e229c412e2bd 100644
--- a/html/css/custom/styles.css
+++ b/html/css/custom/styles.css
@@ -706,6 +706,19 @@ legend {
  border-color:#777;
 }
 
+/* graph general */
+
+.graph-all-common {
+  display: block; 
+  padding: 1px; 
+  margin: 2px;
+  min-height:180px; 
+  max-height:180px; 
+  text-align: center; 
+  float: left; 
+  background-color: #333;
+}
+
 /* FOOTER */
 
 .panel-footer {