#boton {
background-color: #ccc;
color: #fff;
width: 100px;
padding: 20px;
border: 1px solid #000;
border-radius: 5px;
    
    
            position: fixed;
            z-index: 999;
            border-radius: 50%;
            bottom: 20px;
            right: 25px;
            
            transition: ease 0.3s;
            animation: efecto 1.2s infinite;
    transform: scale(1.1);
            transition: 0.3s;
    width: 80px;
            transition: ease 1s;
}