.lang_switcher { display: flex; text-align: center;}
.lang_choice {width:5em; margin-top: 0.5em; padding: 0.3em; background-color: #B4C7E7; border: 1px solid black; text-decoration: none; color: black; font-weight: bold; }
.lang_choice:hover { text-decoration: none; }
.lang_selected:link, .lang_selected:visited { background-color: #3E6EC1; color: white }
#lang_en { border-radius: 10px 0px 0px 10px;}
#lang_chsim { border-radius: 0px 10px 10px 0px;}

#nav > ul > li > .current,
#nav > ul > li > .currentAncestor { display: none !important; }
#nav ul ul li .current, #nav ul ul li .currentAncestor, #nav ul ul li .current:hover, #nav ul ul li .current:visited, #nav ul ul li .currentAncestor:hover, #nav ul ul li a.active {
  background-color: #75a438;
}
#nav2 > ul > li > ul > li > ul > li > a { padding: 5px; }
#nav2 > ul > li > ul > li > ul > li > .current,
#nav2 > ul > li > ul > li > ul > li > ul > li > .current { background-color: #5B9BD5 ; color: white;}