header fixe

web/themes/custom/eql/css-compiled/styles.css

@@ -260,7 +260,6 @@ a {
 
 .layout--onecol .field--type-link {
   grid-area: 8 / span 9;
-  grid-row: 0;
   justify-self: end;
   position: relative;
   top: -200%;
@@ -387,8 +386,9 @@ a {
   position: relative; }
 
 header {
-  display: block;
-  position: sticky; }
+  width: 100%;
+  position: fixed;
+  z-index: 99; }
 
 #header-top {
   height: 7rem;
@@ -398,7 +398,6 @@ header {
   flex-direction: row;
   justify-content: space-between;
   color: black;
-  position: sticky;
   top: 0%; }
   #header-top .region-header-top-left {
     display: flex;