html {
    font-size: $base-font-size;
}

body {
    @include size(100%);
    user-select: none;
    color: var(--text-color);
    background-color: var(--background-color);
    font-family: $base-font-family;
    font-feature-settings: 'kern', 'liga 0';
    font-size: 1rem;
    line-height: $base-line-height;
}

@-moz-document url-prefix() {
    body {
        text-shadow: 0 0;
    }
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: $heading-font-family;
    line-height: $heading-line-height;
    margin: 0 0 $small-spacing;
}

$small-header-font-size: modular-scale(2, 1rem);
$large-header-font-size: modular-scale(4, 1rem);

h6 {
    font-size: 1rem;
}
h5 {
    font-size: modular-scale(1, 1rem, 1.1);
}
h4 {
    font-size: modular-scale(2, 1rem, 1.1);
}
h3 {
    font-size: modular-scale(3, 1rem, 1.1);
}
h2 {
    font-size: $small-header-font-size;
}
h1 {
    font-size: $large-header-font-size;
}

p {
    margin: 0 0 $small-spacing;
}

a {
    color: var(--text-color);
    text-decoration: none;
    display: inline-block;
    transition: color $base-duration $base-timing;
    cursor: pointer;
    height: 1.2em;
    &:not(.no-border) {
        border-bottom: 1px dotted;
    }

    &:active,
    &:focus,
    &:hover {
        outline: none;
        &:not(.no-border) {
            border-bottom: 1px solid;
        }
        &.muted-color {
            border-bottom: 1px solid;
        }
    }
}

hr {
    border-bottom: base-border();
    border-left: 0;
    border-right: 0;
    border-top: 0;
    margin: $base-spacing 0;
}

img {
    margin: 0;
    max-width: 100%;
}

.thin {
    font-weight: 200;
}

body:not(.edge) * {
    // https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/12132854/
    &::selection {
        background-color: var(--text-selection-bg-color);
    }
}

code {
    font-family: $monospace-font-family;
}
