onst&lt;/button&gt;
&lt;button data-wave="true" class="btn1 __link-line--const"&gt;Button link line const&lt;/button&gt;
&lt;button data-wave="true" class="btn1 __link--const-line"&gt;Button link const line&lt;/button&gt;

&lt;button data-wave="true" class="btn1 __ghost--font"&gt;Button ghost font&lt;/button&gt;
&lt;button data-wave="true" class="btn1 __ghost-line--font"&gt;Button ghost line font&lt;/button&gt;
&lt;button data-wave="true" class="btn1 __ghost--font-line"&gt;Button ghost font line&lt;/button&