hypothetical/resources/assets/sass/app.scss

// Core
@import "_var";
@import "_fonts";

// Libraries
@import "bootstrap-sass/assets/stylesheets/_bootstrap.scss";

// Supplementary
@import "sections/**/*.scss";
@import "pages/**/*.scss";

//
// Main Website Styles
//

[data-whatinput="initial"], [data-whatinput="keyboard"] {
    :focus {
        outline: 1px dotted $c-base;
    }
}

[data-whatinput="mouse"], [data-whatinput="touch"] {
    :focus {
        outline: none !important;
    }
}

html {
    width: 100%;
    &.no-scroll { overflow-y: hidden; }
}

body {
    @include font-sans;
    width: 100%;
    color: $c-text;
    -webkit-overflow-scrolling: touch;
}

.page-container {
    display: flex;
    min-height: 100vh;
    flex-direction: column;

    @media (max-width: $grid-float-breakpoint-max) {
        padding-top: $nav-height-mobile;
    }

    @media (min-width: $grid-float-breakpoint) {
        padding-top: $nav-height-desktop;
    }

    .main-content {
        flex-grow: 1;
    }
}