.submenus-common ul li {
    position: relative
}

.submenus-common ul.sub-menu {
    background: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, .2);
    left: 0;
    position: absolute;
    top: 100%;
    width: 220px!important;
    display: none;
    z-index: 99; margin-top: 0px !important;
}

.submenus-common ul.sub-menu li {
    width: 100%;
    margin-left: 0
}

.submenus-common ul.sub-menu li a {
    padding: 12px!important;
    width: 100%; text-align: left; margin: 0px;
}

.submenus-common ul li:hover ul.sub-menu {
    display: block
}