.dropdown-menu:hover > .dropdown-submenu {display: block;}
.dropdown-submenu:hover > .dropdown-menu {display: block;}
.dropdown-submenu > .dropdown-menu {top: -11px;left: 150px;margin-top: 0px;margin-left: 0px;}
/*.dropdown-submenu > a.dropdown-item:after {content: ">";float: right;}
.dropdown-submenu > a.dropdown-item:after {font-family: FontAwesome;content: "\f054";float: right;}*/
.dropdown-submenu {position: relative;}
.btn-group {border: 2px solid #0f3a52;border-radius: 10px;height: 38px;margin-right: 22px;}
button#chapter_lists {color: #0f3a52;background-color: #f0f8ff05 !important;}
button.btn.btn-primary.dropdown-toggle {background: #f0f8ff00;color: #0f3a52;font-weight: 600;}
.chapter_dropdown ul.dropdown-menu {min-width: 320px;}
.chapter_dropdown .dropdown-menu ul.dropdown-menu {left: 318px;top: -10px;max-height: 150px;overflow: auto;}
.chapter_dropdown .dropdown-menu li {display: block;position: relative;}
.chapter_dropdown .dropdown-menu li a{margin : 0;padding: 5px;}
span.inputerror {margin-top: 0;display: block;text-align: left;color: red;}