.blue-digital_call-action {
    display: flex;
    z-index: 99999;
    position: fixed;
    transition: ease-in-out 250ms;
    visibility: hidden;
    align-items: flex-end;
    flex-direction: column-reverse;
}
.blue-digital_call-action a {
    width: 56px;
    height: 56px;
    visibility: visible;
    opacity: 1;
    color: #fff;
    cursor: pointer;
    margin: 0 auto 0 auto;
    display: block;
    outline: none !important;
    padding: 0px;
    position: relative;
    max-width: none !important;
    box-shadow: 0px 2px 6px 1px rgba(0, 0, 0, 0.20);
    text-align: center;
    transition: ease-in-out 250ms;
    user-select: none;
    border-radius: 50%;
    margin-bottom: 10px;
    background-size: cover;
    text-decoration: none;
    background-repeat: no-repeat;
    background-position: center center;
}
.call_zalo img, .call_phone img, .call_facebook img {
    top: 50%;
    left: 50%;
    z-index: 1;
    position: absolute;
    max-width: unset;
    transform: translate(-50%, -50%);
    transition: all 0.2s ease-out;
}

.call_phone {
    background-image: none;
    -webkit-animation: uptocallmini_offline 2s 0s ease-out infinite;
    -moz-animation: uptocallmini_offline 2s 0s ease-out infinite;
    -ms-animation: uptocallmini_offline 2s 0s ease-out infinite;
    animation: uptocallmini_offline 2s 0s ease-out infinite;
}