Small tweaks to buttons

src/styles/_comments.sass

@@ -400,7 +400,7 @@ $comments-width-max: 710px
 						border: 1px solid $color-background-dark
 						border-radius: 3px
 						margin: 0 auto 5px auto
-						padding: 10px
+						padding: 10px 0 10px 10px
 						color: $color-text-dark
 						resize: vertical
 						transition: border-color 300ms ease-in-out
@@ -507,7 +507,6 @@ $comments-width-max: 710px
 					button.comment-action-submit
 						margin-left: auto
 						min-width: 180px
-						min-height: 30px
 						transition: all 200ms ease-in-out
 
 						+button($color-success, 3px)

src/styles/_utils.sass

@@ -24,11 +24,11 @@
 
 @mixin button($mixin-color, $roundness, $filled: false)
 	display: inline-flex
+	align-items: center
+	justify-content: center
 	font-family: $font-body
 	text-transform: uppercase
-	padding:
-		left: 12px
-		right: 12px
+	padding: 5px 12px
 	border-radius: $roundness
 
 	@if $filled