I have this code but it didn't work adaptive style. I have this meta tag but it didn't work.
@media only screen and (max-width: 1200px)
.menu
&_item
padding-right: 20px
&_link
font-size: 13px
.promo
&_header
font-size: 50px
.reasons
&_block
align-items: flex-start
&_descr
width: 300px