there are main root colors below, how can I add them to the custom css?
I added like this but no effect;
:root {
--link-color: #ca003c;
}
:root {
--primary-color: #c3073f;
--secondary-color: #4e4e50;
--body-bg: #212121;
--body-bg-shaded: #19191a;
--body-bg-light: #2d2d2e;
--body-bg-faded: rgba(33, 33, 33, 0.93);
--text-color: #ddd;
--link-color: #ca003c;
--heading-color: #ddd;
--muted-color: #7e7e81;
--muted-color-light: #98989a;
--muted-color-dark: #000;
--shadow-color: rgba(0, 0, 0, 0.5);
--control-bg: #19191a;
--control-bg-light: #212121;
--control-bg-shaded: #0f0f0f;
--control-color: #7e7e81;
--error-color: #d83e3e;
--header-bg: #212121;
--header-color: #c3073f;
--header-control-bg: #19191a;
--header-control-color: #7e7e81;
--overlay-bg: rgba(20, 20, 21, 0.9);
--code-bg: #19191a;
--code-color: #fff;
--alert-bg: #fff2ae;
--alert-color: #ad6c00;
--alert-error-bg: #d83e3e;
--alert-error-color: #fff;
--alert-success-bg: #b4f1af;
--alert-success-color: #33722d;
--switch-on-color: #58a400;
--switch-off-color: #d0021b;
--enabled-color: #2ECC40;
--disabled-color: #FF4136;
--validation-error-color: #d83e3e;
--avatar-bg: var(--control-bg);
--badge-bg: var(--muted-color);
--badge-color: #fff;
--badge-hidden-bg: #888;
--usercard-bg: var(--control-bg);
--hero-bg: #19191a;
--hero-color: #7e7e81;
--tooltip-bg: rgba(0, 0, 0, 0.9);
--tooltip-color: #fff;
--online-user-circle-color: #7fba00;
--discussion-title-color: #888889;
--discussion-list-item-bg-hover: #1d1d1e;
--button-color: #7e7e81;
--button-bg: #19191a;
--button-bg-hover: #0d0d0d;
--button-bg-active: #000;
--button-bg-disabled: #19191a;
--button-primary-color: #212121;
--button-primary-bg: #c3073f;
--button-primary-bg-hover: #aa0637;
--button-primary-bg-active: #92052f;
--button-primary-bg-disabled: #c3073f;
--control-danger-color: #a88;
--control-danger-bg: #411;
--control-danger-bg-hover: #300c0c;
--control-danger-bg-active: #1b0707;
--control-danger-bg-disabled: #411;
--muted-more-color: #656567;
--muted-more-bg: rgba(101, 101, 103, 0.3);
--muted-more-bg-hover: rgba(88, 88, 90, 0.35);
--muted-more-bg-active: rgba(76, 76, 77, 0.4);
--muted-more-bg-disabled: rgba(101, 101, 103, 0.3);
--button-inverted-color: #7e7e81;
--button-inverted-bg: #212121;
--button-inverted-bg-hover: #141415;
--button-inverted-bg-active: #080808;
--button-inverted-bg-disabled: #212121;
--light-content-color: #fff;
--light-content-control-color: #fff;
--light-content-control-bg: rgba(0, 0, 0, 0.1);
--light-content-control-bg-shaded: rgba(0, 0, 0, 0.2);
--light-content-control-bg-fadedin: rgba(0, 0, 0, 0.15);
--header-colored-color: #c3073f;
--header-colored-control-color: #7e7e81;
--header-colored-control-bg: #19191a;
--header-colored-control-bg-shaded: #0d0d0d;
--header-colored-control-bg-fadedin: #19191a;
--border-radius: 14px;
--drawer-width: 270px;
--pane-width: 400px;
--header-height: 52px;
--header-height-phone: 46px;
--zindex-header: 1000;
--zindex-pane: 1010;
--zindex-composer: 1020;
--zindex-dropdown: 1030;
--zindex-modal-background: 1040;
--zindex-modal: 1050;
--zindex-alerts: 1060;
--zindex-tooltip: 1070;
--flarum-screen: none;
--screen-phone-max: 767.98px;
--screen-tablet: 768px;
--screen-tablet-max: 991.98px;
--screen-desktop: 992px;
--screen-desktop-max: 1199.98px;
--screen-desktop-hd: 1200px
}