box-shadow($custom-select-box-shadow, $custom-select-focus-box-shadow);\n    } @else {\n      // Avoid using mixin so we can pass custom focus shadow properly\n      box-shadow: $custom-select-focus-box-shadow;\n    }\n\n    &::-ms-value {\n      // For visual consistency with other platforms/browsers,\n      // suppress the default white text on blue background highlight given to\n      // the selected option text when the (still closed) <select> receives focus\n      // in IE and (under certain conditions) Edge.\n...