.mawa-btn{position:fixed;right:1rem;bottom:1rem;z-index:1000;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 3px 10px rgba(0,0,0,.3);transition:transform .15s}
.mawa-btn:hover,.mawa-btn:focus{transform:scale(1.08)}
#back-to-top{bottom:calc(1rem + 66px)}
@media print{.mawa-btn{display:none}}