.contact-nav {
    position: fixed;
    right: 13px;
    background: #fff;
    border-radius: 5px;
    width: auto;
    z-index: 150;
    bottom: 80px;
    padding: 10px 0;
    border: 1px solid #f2f2f2;
    box-shadow: 2px 2px 0.2em;
}

.contact-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-nav ul li {
    list-style: none !important;
}

.contact-nav ul li a {
    border: none;
    padding: 3px;
    display: block;
    border-radius: 5px;
    text-align: center;
    font-size: 10px;
    line-height: 15px;
    color: #515151;
    font-weight: 700;
    max-width: 72.19px;
    max-height: 54px;
    text-decoration: none;
}

.contact-nav ul li a i {
    width: 36px;
    height: 36px;
    display: block;
    margin: auto;
    background-size: contain;
    background-repeat: no-repeat;
}

.contact-nav ul li .btn_phone_txt {
    position: relative;
    top: 5px;
    font-size: 10px;
    font-weight: bold;
}


.pulse-animation {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.7);
    }
    70% {
        transform: scale(1.1);
        box-shadow: 0 0 0 10px rgba(0, 0, 0, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
    }
}


.hide-desktop {
    display: none;
}

.hide-mobile {
    display: block;
}


@media only screen and (max-width: 600px) {
    .contact-nav {
        background: white;
        width: 100%;
        border-radius: 0;
        height: 60px;
        position: fixed;
        bottom: 0;
        left: 0;
        z-index: 999;
        padding: 5px;
        margin: 0;
        box-shadow: 0 4px 10px 0 #000;
    }

    .contact-nav ul li {
        float: left;
        width: 20%;
        list-style: none;
        height: 50px;
    }

    .contact-nav ul li a {
        padding: 0;
        margin: 0 auto;
    }

    .hide-desktop {
        display: block !important;
    }

    .hide-mobile {
        display: none !important;
    }
}