.dri {
    $size: 3rem;

    &.rounded-circle,
    &.rounded,
    &.rounded-0,
    &.rounded-leaf,
    &.img-thumbnail,
    &.shadow {
        display: inline-block;
        vertical-align: middle;
        text-align: center;
        // fa-1x is not ouput
        @include size($size);
        line-height: $size;
        @for $i from 2 through 5 {
            &.fa-#{$i}x {
                @include size($size + $i);
                line-height: $size + $i;
            }
        }
        // Default, if no background-color already selected
        background-color: $gray-100;
    }
    &.img-thumbnail {
        padding: 0;
    }
    &.rounded-leaf {
        border-top-left-radius: $size;
        border-bottom-right-radius: $size;
    }
    &.rounded-empty-circle {
        @extend .rounded-circle;
        border-width: ceil(1.4 * $border-width);
        border-style: solid;
        background: transparent;
    }
}