.div-telefone {
    border: none;
    cursor: pointer;
    position: fixed !important;
    right: 20px;
    bottom: 20px;
    width: 50px;
    height: 50px;
    padding: 0;
    transition: .3s;
    z-index: 1;
}

    .div-telefone .img {
        background-color: #00a027;
        border-radius: 50%;
        display: flex;
        height: 100%;
        width: 100%;
        justify-content: center;
        align-items: center;
        position: relative;
        z-index: 2
    }

    .div-telefone svg {
        width: 36px;
        height: 37px;
        position: relative;
        top: -1px;
        fill: #fff
    }

        .div-telefone svg path {
            display: inline-block;
            width: 29.7545166016px;
            height: 29.9479980469px
        }

    .div-telefone .pulse {
        background-color: #00a027;
        width: 50px;
        height: 50px;
        position: absolute;
        z-index: -1;
        top: 0;
        left: 0;
        border-radius: 50%;
        animation: pulse 1s infinite
    }

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0,160,39,.7)
    }

    50% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(0,160,39,.6)
    }

    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0,160,39,.7)
    }
}