Cách chỉnh lại menu xổ mega của flatsome sang dạng khác

Demo : http://noithatloc.hunghaweb.com/

.nav-dropdown>li.nav-dropdown-col, .nav-dropdown>li.image-column {
display: block;
width: 100%;
position: relative;
}
.nav-dropdown>li.nav-dropdown-col:before {
font-family: ‘fl-icons’;
right: 0;
position: absolute;
font-size: 16px;
color: #999;
content: “\f105” !important;
line-height: 36px;
}

.nav-dropdown>li.nav-dropdown-col ul.nav-dropdown-default {
position: absolute;
top: 0;
left: 100%;
padding-left: 23px;
display: none;
}
.nav-dropdown>li.nav-dropdown-col ul.nav-dropdown-default li {
background: #fff;
}
.nav-dropdown>li.nav-dropdown-col:hover ul.nav-dropdown-default {
display: block;
}