:root { --main-color: #ff0000; --main-color-t-1: hsla(0, 100%, 95%, 0.1); --main-color-t-2: hsla(0, 100%, 90%, 0.2); --main-color-t-3: hsla(0, 100%, 85%, 0.3); --main-color-t-4: hsla(0, 100%, 80%, 0.4); --main-color-t-5: hsla(0, 100%, 75%, 0.5); --main-color-t-6: hsla(0, 100%, 70%, 0.6); --main-color-t-7: hsla(0, 100%, 65%, 0.7); --main-color-t-8: hsla(0, 100%, 60%, 0.8); --main-color-t-9: hsla(0, 100%, 55%, 0.9);}