@import url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css");


.call-btn {
    position: fixed;
    margin: 0;
    padding: 0;
    left: 0;
    bottom: 0px;
    background: #fff;
    background-color: transparent;
    cursor: pointer;
    font-size: 0;
    width: 110px;
    height: 110px;
    z-index: 1000;
}

.call-btn .tada {
    background: #ff9002;
    border-radius: 100px;
    width: 40px;
    height: 40px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-top: -20px;
    margin-left: -20px;
    animation-name: tada;
    animation-duration: 0.5s;
    animation-iteration-count: infinite;
    animation-direction: alternate;
}

.call-btn .tada a:before {
    font-family: FontAwesome;
    content: "\f095";
    font-size: 25px;
    
    text-decoration: none;
    color: #fff;
    margin-left: 10px;
    position: absolute;
    top: 0%;
    margin-top: 3px;
}


@keyframes tada {
    from {
        transform: rotate(-20deg);
    }
    to {
        transform: rotate(20deg);
    }
}

.call-btn .pulse {
    width: 60px;
    height: 60px;
    background: rgba(255, 144, 2, 0.39);
    ;
    border-radius: 100px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -30px;
    margin-left: -30px;
    animation-name: pulse;
    animation-duration: 0.5s;
    animation-iteration-count: infinite;
    animation-direction: alternate;
    animation-timing-function: ease-in-out;
}

@keyframes pulse {
    from {
        width: 55px;
        height: 55px;
        margin-top: -27.5px;
        margin-left: -27.5px;
    }
    to {
        width: 60px;
        height: 60px;
        margin-top: -30px;
        margin-left: -30px;
    }
}

.call-btn .zoomIn {
    width: 80px;
    height: 80px;
    border: 2px solid #ff9002;
    border-radius: 100px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -40px;
    margin-left: -40px;
    animation-name: zoomIn;
    animation-duration: 1s;
    animation-iteration-count: infinite;
    animation-timing-function: ease-out;
}

@keyframes zoomIn {
    from {
        width: 40px;
        height: 40px;
        margin-top: -20px;
        margin-left: -20px;
    }
    to {
        width: 80px;
        height: 80px;
        margin-top: -40px;
        margin-left: -40px;
    }
}

@media screen and (max-width: 51px) {
    .call-btn {
        width: 80px;
        height: 80px;
    }
}