.dropdown {
list-style:none;
width:232px;
height:auto;
background:#113d65;
display:none;
margin:0;
padding:0;
height: 300px;
overflow: scroll; 
}

.dropdown li {
float:none;
background:#548BD1;
color:#000;
width:205px;
font-weight:400;
margin-bottom:1px;
}

.dropdown li a {
display:block;
width:205px;
background:#548BD1;
color:#fff;
padding:5px;
border:1px solid #bebebe;
}

.dropdown li a:hover {
background:#0b3148;
color:#cbecff;
}