Style menu hiện đại cho Flatsome

Style menu hiện đại cho Flatsome

Code style

.header .sub-menu {
  display: flex;
  flex-direction: column;
  padding: 0;
  border-radius: var(--radius);
}

.header .nav-dropdown .menu-item:not(:last-child) {
  border-bottom: 1px solid #eee;
}
.header .nav-dropdown .menu-item a {
  border: none;
}

.header .nav-dropdown a {
  border: none;
  position: relative;
  overflow: hidden;
}

.header .nav-dropdown .menu-item a:before {
  content: "\f345";
  font-family: 'dashicons';
  position: absolute;
  top: 50%;
  left: -20px;
  transform: translateY(-50%);
  color: var(--primary-color);
  opacity: 0;
  transition: .3s;
}

.header .nav-dropdown .menu-item:hover>a:before {
  left: 0;
  opacity: 1;
}
.header .nav-dropdown .menu-item {
  transition: .3s;
}
.header .nav-dropdown .menu-item:hover>a {
  padding-left: 20px;
  color: var(--primary-color) !important;
}

.nav-dropdown-has-border .nav-dropdown {
  border-color: var(--primary-color);
}
.nav-dropdown-has-arrow.nav-dropdown-has-border li.has-dropdown:before {
  border-bottom-color: var(--primary-color);
}

.menu-item .nav-dropdown .menu-item-has-children {
  position: relative;
  width: 100%;
}

.menu-item .nav-dropdown .menu-item-has-children .sub-menu {
  position: absolute;
  top: 100%;
  left: 100%;
  min-width: 260px;
  background-color: #fff;
  box-shadow: 1px 1px 15px rgb(0 0 0 / 15%);
  transition: 0.3s;
  opacity: 0;
}

.menu-item-has-children .menu-item-has-children:hover .sub-menu {
  top: 0;
  opacity: 1;
}

.nav-dropdown-col > a {
  font-weight: 500 !important;
  text-transform: none !important;
}

.nav-dropdown>li.nav-dropdown-col {
  min-width: 260px;
}

.sub-menu a {
  color: var(--black-color) !important;
  font-size: 1rem !important;
}

.nav-dropdown-col::after {
  content: "\f345";
  font-family: 'dashicons';
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  transition: .5s;
}
.nav-dropdown-col:hover:after {
  color: var(--primary-color);
  right: -10px;
  opacity: 0;
}

Code add to funtion

add_action('wp_enqueue_scripts', function() {
wp_enqueue_style( 'dashicons' );
});