Refine shared header language selector

app/static/css/style.css

@@ -232,7 +232,6 @@ main {
 
     .logo { max-width: 130px; }
     .brand-logo { width: 130px !important; max-width: 130px !important; height: 40px !important; max-height: 40px !important; }
-    .header-controls .user-menu summary { max-width: 34vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
 
     main {
         padding: 22px 15px 80px;
@@ -248,7 +247,6 @@ main {
 
     .header-actions { width: 100%; justify-content: flex-start; }
     .header-actions > a { flex: 1 1 auto; text-align: center; }
-    .header-actions > .header-controls { margin-left: auto; }
 }
 form {
     max-width: 650px;