.telegram-button {
    position: fixed;
    right: 20px;
    bottom: 20px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    z-index: 9999;
    background-color: #b16834;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg role='img' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3e%3cpath fill='%23FFF' d='M23.91 3.79L20.3 20.84c-.25 1.21-.98 1.5-2 .94l-5.5-4.07-2.66 2.57c-.3.3-.55.56-1.1.56-.72 0-.6-.27-.84-.95L6.3 13.7l-5.45-1.7c-1.18-.35-1.19-1.16.26-1.75l21.26-8.2c.97-.43 1.9.24 1.53 1.73z'/%3e%3c/svg%3e");
    background-size: 50%; 
    background-repeat: no-repeat;
    background-position: 50% 50%;
}
.telegram-button:before,
.telegram-button:after {
    content: " ";
    display: block;
    position: absolute;
    border: 1px solid #b16834;
    left: -20px;
    right: -20px;
    top: -20px;
    bottom: -20px;
    border-radius: 50%;
    animation: border-animate 1.5s linear infinite;
    opacity: 0;
}
.telegram-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;
    }
}