.components-button {
	&.is-default {
		color: $muriel-gray-700;
		border-color: $muriel-gray-100;
		background: $white;
		box-shadow: none;
		border-width: 1px 1px 2px;

		&:hover {
			background: $white;
			border-color: $muriel-gray-200;
			box-shadow: none;
			color: $muriel-gray-700;
		}

		&:focus:enabled {
			background: $white;
			color: $muriel-gray-700;
			border-color: $color-primary;
			box-shadow: 0 0 0 2px $color-primary-light;
		}

		&:active:enabled {
			background: $white;
			border-color: $muriel-gray-100;
			border-width: 2px 1px 1px;
			box-shadow: none;
		}

		&:disabled,
		&[aria-disabled='true'] {
			color: $muriel-gray-50;
			background-color: $white;
			border-color: $muriel-gray-50;
			text-shadow: none;
		}
	}

	&.is-primary {
		background: $color-accent;
		border-color: $color-accent-dark;
		box-shadow: none;
		color: $white;
		text-shadow: none;

		&:focus:enabled {
			background: $muriel-hot-pink-400;
			border-color: $color-accent;
			color: $white;
			box-shadow: 0 0 0 2px $color-accent-light;
		}

		&:hover {
			box-shadow: none;
			background: $muriel-hot-pink-400;
			border-color: $color-accent-dark;
			color: $white;
		}

		&:focus:enabled {
			box-shadow: 0 0 0 2px $color-accent-light;
		}

		&:active:enabled {
			background: $muriel-hot-pink-400;
			border-color: $color-accent-dark;
			box-shadow: inset 0 1px 0 $color-accent-dark;
		}

		&:disabled,
		&[aria-disabled='true'] {
			color: $muriel-gray-50;
			background: $white;
			border-color: $muriel-gray-50;
			text-shadow: none;

			&:hover,
			&:focus,
			&:active {
				color: $muriel-gray-50;
				background-color: $white;
				border-color: $muriel-gray-50;
				box-shadow: none;
			}
		}

		&.is-busy,
		&.is-busy:disabled,
		&.is-busy[aria-disabled='true'] {
			background-image: linear-gradient(
				-45deg,
				$color-accent 28%,
				$muriel-hot-pink-600 28%,
				$muriel-hot-pink-600 72%,
				$color-accent 72%
			);
			border-color: $color-accent-dark;
		}
	}

	/* Buttons that look like links, for a cross of good semantics with the visual */
	&.is-link {
		color: $color-link;

		&:hover,
		&:active {
			color: $color-link-dark;
		}

		&:focus {
			color: $color-link-dark;
			box-shadow: 0 0 0 2px $color-primary-light;
		}
	}

	/* Link buttons that are red to indicate destructive behavior. */
	&.is-link.is-destructive {
		color: $alert-red;
	}

	&:focus:enabled {
		// @include button-style__focus-active;
	}

	&.is-busy {
		background-image: repeating-linear-gradient(
			-45deg,
			$muriel-gray-500,
			$white 11px,
			$white 10px,
			$muriel-gray-500 20px
		);
	}

	// Buttons that are text-based.
	&.is-tertiary {
		color: $color-link;

		&:not( :disabled ):not( [aria-disabled='true'] ):not( .is-default ):hover {
			color: $color-link-dark;
		}
	}
}