html {
  font-size: 14px;
}
.whatsapp-fixed {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  text-decoration: none;
  z-index: 9999;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);  
  transition: background-color 0.3s;
}
.whatsapp-fixed:hover {
  background-color: #1ebd57;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}