Hi
Kindly replace the older code with this code
.t3-sidebar .nav-pills .dropdown-menu {
position: initial;
display: block;
float: initial;
background-color: initial;
border: 0px solid #cccccc ;
-webkit-box-shadow: 0 0px 0px rgba(0,0,0,0.175) ;
box-shadow: 0 0px px rgba(0,0,0,0.175) ;
}
.nav-pills > li .dropdown-menu > li.open > a:hover {
color: #373737 ;
}
.nav-pills > li .dropdown-menu > li > a, .nav-pills > li .dropdown-menu > li > a:hover {
border-bottom: 1px solid #e7e7e7 ;
color: #373737 ;
}
.nav-pills > li > .dropdown-menu:after {
border-bottom: 0px solid #2a3b4d ;
}
.nav-pills > li.dropdown-submenu > a:after {
border-width: 0px;
}