.support-button{position:fixed;bottom:70px;right:20px;z-index:999}#main-btn{width:60px;height:60px;border-radius:50%;border:none;background:linear-gradient(45deg,#0D7C66,#41B3A2);color:#fff;font-size:24px;cursor:pointer;box-shadow:0 4px 10px #41B3A275;transition:all 0.3s ease}#main-btn:hover{transform:scale(1.1);box-shadow:0 6px 14px #41B3A2a6}#sub-buttons{display:flex;flex-direction:column;align-items:center;position:absolute;bottom:70px;right:5px;opacity:0;visibility:hidden;transition:all 0.3s ease-in-out}.sub-btn{width:50px;height:50px;border-radius:50%;display:flex;justify-content:center;align-items:center;margin:5px 0;color:#fff;font-size:20px;text-decoration:none;background:linear-gradient(45deg,#0D7C66,#41B3A2);box-shadow:0 4px 10px #41B3A28a;transform:translateY(10px);transition:all 0.3s ease-in-out}.sub-btn:hover{transform:scale(1.1);box-shadow:0 6px 14px #0D7C66ad}.support-button.open #sub-buttons{opacity:1;visibility:visible}.support-button.open .sub-btn{transform:translateY(0)}