// stacking icons
// -------------------------
.#{$fa-css-prefix}-stack {
    display: inline-block;
    height: 2em;
    line-height: 2em;
    position: relative;
    vertical-align: $fa-stack-vertical-align;
    width: $fa-stack-width;
}
.#{$fa-css-prefix}-stack-1x,
.#{$fa-css-prefix}-stack-2x {
    left: 0;
    position: absolute;
    text-align: center;
    width: 100%;
    z-index: var(--#{$fa-css-prefix}-stack-z-index, #{$fa-stack-z-index});
}
.#{$fa-css-prefix}-stack-1x {
    line-height: inherit;
}
.#{$fa-css-prefix}-stack-2x {
    font-size: 2em;
}
.#{$fa-css-prefix}-inverse {
    color: var(--#{$fa-css-prefix}-inverse, #{$fa-inverse});
}
