improving .header__middle .dropdown

basetheme_bootstrap/static/css/basetheme_bootstrap4_pasteur.css

@@ -177,12 +177,27 @@ header .header__middle .dropdown.show>a {
 header .header__middle .dropdown.show>.dropdown-menu {
     border-color: #aeb7c0;
 }
+header .header__middle .main-nav .dropdown-menu>a,
+header .header__middle  .main-nav .dropdown-menu>a {
+    transition:unset;
+}
 header .header__middle .main-nav .dropdown-menu>a:hover,
 header .header__middle  .main-nav .dropdown-menu>a.active {
-    background-color: #F0F3F4;
+    color: #000;
+    background-color: unset;
+    border-bottom: 2px black solid;
+    padding-bottom: 6px;
 }
 header .header__middle .dropdown-divider {
     border-color: #aeb7c0;
+    margin-left: -30px;
+    margin-right: -30px;
+}
+header .header__middle .dropdown-menu>a {
+    padding:8px 0px;
+}
+header .header__middle .dropdown-menu {
+    padding: 0.5rem 30px;
 }
 
 .header__nav{
@@ -219,6 +234,11 @@ header .header__middle .dropdown-divider {
 .navbar-collapse.collapsing ul{
     margin-bottom:0;
 }
+.header__middle .navbar-collapse.show ul,
+.header__middle .navbar-collapse.collapsing ul{
+    padding-right: 1rem;
+    padding-left: 1rem;
+}
 .header__logo-wrapper,
 .header__face-wrapper{
     flex-shrink:0;
@@ -269,15 +289,18 @@ header:not(.scrolled) #navbar__middle__collapse:not(.show)>div:last-child{
     padding: 0;
     border: 0;
 }
-.main-nav a {
+
+.main-nav .navbar-nav a.dropdown-item,
+.main-nav .navbar-nav a.nav-link {
     position: relative;
     display: inline-block;
     font-weight: 800;
     text-transform: uppercase;
     color: #636060;
     font-size: 1em;
+}
+.main-nav .navbar-nav a.nav-link {
     padding: 5px 0;
-    /*padding-top: 60px;*/
 }
 .main-nav .dropdown-menu>a {
     padding:8px 30px;