divi submenu collapse by default

1#mobile_menu .menu-item-has-children > a + span {
2    position: absolute;
3    right: 0;
4    top: 0;
5    padding: 10px 20px;
6    font-size: 20px;
7    font-weight: 700;
8    cursor: pointer;
9    z-index: 3;
10}