.menu .dropdown:hover .dropdown-menu {
    display: block;
    margin: 0px 0px -1px 0px;
}

.menu .dropdown-menu li:hover .sub-menu {
    visibility: visible;
}

.menu .dropdown, .radioB {
    display: inline-block;
}
.menu .btn2 {
    background-color: #e8e8e8;
}

.panel-heading a {
    display: inline-block;
    float: right;
}

.panel-heading h4 {
    display: inline-block;
}

.radioB {
    padding-left: 2em;
}