.oui-button-icon {
    padding: 4px;
    line-height: normal;
}

.oui-button-icon__small {
    width: $icon-small * 2;
    height: $icon-small * 2;
}

.oui-button-icon__medium {
    width: $icon-small + $icon-large;
    height: $icon-small + $icon-large;
}

.oui-button-icon__large {
    width: $icon-large * 2;
    height: $icon-large * 2;
    .oui-icon {
        width: $icon-large;
        height: $icon-large;
    }
}