4.16 #Button.icon-button Circled Icon Button

.sf-button.-icon.-circle
Html
    <button class="sf-button -icon -circle"><i class="sf-icon -size-xs sf-fa sf-fa-plus sf-button__icon"></i></button>
    <button class="sf-button -icon -circle" disabled><i class="sf-icon -size-xs sf-fa sf-fa-times sf-button__icon"></i></button>
    <button class="sf-button -icon -circle -small"><i class="sf-icon -size-xs sf-fa sf-fa-times sf-button__icon"></i></button>
    <br>
    <a class="sf-button -icon -circle"><i class="sf-icon -size-xs sf-fa sf-fa-plus sf-button__icon"></i></a>
    <a class="sf-button -icon -circle -disabled"><i class="sf-icon -size-xs sf-fa sf-fa-times sf-button__icon"></i></a>
    <a class="sf-button -icon -circle -small"><i class="sf-icon -size-xs sf-fa sf-fa-times sf-button__icon"></i></a>