minor UI fix

basetheme_bootstrap/static/css/basetheme_bootstrap4_pasteur.css

@@ -103,10 +103,13 @@ header .header__top .form-inline input:not(:focus):not(:hover)::placeholder {
   opacity: 1; /* Firefox */
 }
 
+header .header__top .form-inline input{
+    border: 0;
+}
+
 header .header__top .form-inline input:not(:focus):not(:hover) {
     background-color:#211b1d66;
     background-color: #FFFFFF22;
-    border: 0;
 }
 
 header .header__top .form-inline .form-control {