.btn{text-align:center}.btn{transition-property:background-color,opacity,color,box-shadow;transition-duration:var(--transition-time);transition-timing-function:var(--transition-easing)}.btn__sub-title{text-transform:none;font-size:12px;font-weight:var(--font-weight-default)}.btn--full-width{width:100%;display:block}