.phone-button {
    position: fixed;
    right: 50px;
    bottom: 50px;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    z-index: 9999;
    background-color: #337AB7;
    background-image: url("./img/favicon.png");
    background-size: 150%; 
    background-repeat: no-repeat;
    background-position: 50% 50%;
}
.phone-button:before,
.phone-button:after {
    content: "1000 ₽";
    display: block;
    position: absolute;
    border: 1px solid #337AB7;
    left: -20px;
    right: -20px;
    top: -20px;
    bottom: -20px;
    border-radius: 50%;
    animation: border-animate 1.5s linear infinite;
    opacity: 0;
}
.phone-button:after{
    animation-delay: .5s;
}
@keyframes border-animate
{
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}