darken(color-yiq($color), 7.5%);\n      }\n\n      &:not(:disabled):not(.disabled):active,\n      &:not(:disabled):not(.disabled).active,\n      &:active,\n      &.active {\n        background: $color linear-gradient(180deg, mix($body-bg, darken($color, 10%), 15%), darken($color, 10%)) repeat-x !important;\n        border-color: darken($color, 12.5%);\n        color: color-yiq(darken($color, 10%));\n      }\n\n      &:disabled,\n      &.disabled {\n        background-image: none !important;\n        border-color:...