working on form-inline / search box

basetheme_bootstrap/static/css/basetheme_bootstrap4_pasteur.css

@@ -98,8 +98,15 @@ header nav.header__top nav-item.active{
     background: #FFFFFF30;
 }
 
+header .header__top .form-inline input:not(:focus):not(:hover)::placeholder {
+  color: white;
+  opacity: 1; /* Firefox */
+}
+
 header .header__top .form-inline input:not(:focus):not(:hover) {
-    background-color:#000;
+    background-color:#211b1d66;
+    background-color: #FFFFFF22;
+    border: 0;
 }
 
 header .header__top .form-inline .form-control {