ant design change active menu color item code example
Example: chang the color menu ant design
.ant-menu > .ant-menu-item:hover,
.ant-menu > .ant-menu-submenu:hover,
.ant-menu > .ant-menu-item-active,
.ant-menu> .ant-menu-submenu-active,
.ant-menu > .ant-menu-item-open,
.ant-menu> .ant-menu-submenu-open,
.ant-menu > .ant-menu-item-selected,
.ant-menu > .ant-menu-submenu-selected {
color: red;
border-bottom: 2px solid red;
}