Use boolean to define if button-rounded mixin is filled or not

Fix to blog

src/styles/blog.sass

@@ -19,7 +19,7 @@
 #blog_container
 	margin: 0
 	padding:
-		top: 0
+		top: 15px
 		bottom: 15px
 	display: flex
 	justify-content: center
@@ -212,8 +212,6 @@
 
 		.blog_index-header
 			width: 100%
-			height: 300px
-			max-height: 300px
 			overflow: hidden
 			position: relative
 			display: block
@@ -221,7 +219,6 @@
 			border-top-right-radius: 3px
 
 			img
-				+position-center-translate
 				width: 100%
 
 		.blog_index-item