.square-btn{position:fixed;right:20px;width:50px;height:50px;background-color:#016DB8;color:#ffffff;display:flex;align-items:center;justify-content:center;border-radius:8px;text-decoration:none;box-shadow:0 4px 10px rgba(0,0,0,0.2);z-index:9999;transition:all 0.3s ease;font-size:20px}.square-btn:nth-of-type(1){bottom:160px}.square-btn:nth-of-type(2){bottom:100px}.square-btn:nth-of-type(3){bottom:40px}.square-btn:hover{background-color:#014f86;transform:scale(1.08)}.square-btn i{color:#ffffff}