:root {
    --color-main-text-black: #303030;
    --color-nonmain-text-black: #2C2C2C;
    --color-main-text-whire: #E0E0E0;
    --color-nonmain-text-white: #A0A0A0;
    --color-1button: #4A90E2;
    --color-2button: #50E3C2;
    --color-error: #E94560;
}