@mixin smallScreen() {
    @media only screen and (max-width: 700px) {
        @content;
    }
}


@mixin midScreen() {
    @media only screen and (max-width: 950px) {
        @content;
    }
}

@mixin bigScreen() {
    @media only screen and (min-width: 2000px) {
        @content;
    }
}