<button type="button" class="sds-btn -iconBtn -btnPrimary">
<span class="sds-icon sds-icon-plus"></span>
</button>
<button type="button" class="sds-btn -iconBtn -btnPrimary" disabled>
<span class="sds-icon sds-icon-plus"></span>
</button>
<button type="button" class="sds-btn -iconBtn -btnPrimary -btnBig">
<span class="sds-icon sds-icon-plus"></span>
</button>
<button type="button" class="sds-btn -iconBtn -btnPrimary -btnBig" disabled>
<span class="sds-icon sds-icon-plus"></span>
</button>
<button type="button" class="sds-btn -iconBtn -btnPrimary -btnSmall">
<span class="sds-icon sds-icon-plus"></span>
</button>