/* Show plus icon by default */
body .wpex-open-submenu {
content: "\002B" !important;
font-family: "Arial";
font-size: 16px;
}
/* Show minus icon when active */
body .wpex-open-submenu[aria-expanded="true"]{ {
content: "\2212" !important;
}
Snippets: Change Mobile Menu Dropdown Arrows to Plus Icon
Result:
