minio/browser/app/less/inc/dropdown.less

.dropdown-menu {
    padding: 15px 0;
    top: 0;
    margin-top: -1px;

    & > li {
        & > a {
            padding: 8px 20px;
            font-size: 15px;

            & > i {
                width: 20px;
                position: relative;
                top: 1px;
            }
        }
    }
}

.dropdown-menu-right {
    & > li {
        & > a {
            text-align: right;
        }
    }
}