Не изменяется цвет при наведении

$text_blue: #1eacc7
$text_red: #ff5656

=btn_hover
	&:hover
	background-image: none
	background-color: $text_blue

&_btn
		margin-top: 19px
		width: 172px
		height: 46px
		box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.12)
		border: none
		border-radius: 4px
		background-image: linear-gradient(to top, $text_blue 0%, #4ce2ff 100%)
		text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.21)
		color: #ffffff
		font-size: 14px
		font-weight: 400
		text-transform: uppercase
		+btn_hover
&_btn
		display: block
		margin: 118px auto 0 auto
		width: 259px
		height: 63px
		margin-top: 143px
		box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.12)
		border: none
		border-radius: 4px
		background-image: linear-gradient(to top, $text_blue 0%, #4ce2ff 100%)
		text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.21)
		color: #ffffff
		font-size: 18px
		font-weight: 400
		text-transform: uppercase
		+btn_hover