.footer-contact {
    position: fixed;
    bottom: 150px;
    right: 25px;
    z-index: 888;
}

.footer-contact .button-hotline {
    height: 50px;
    max-width: 50px;
    width: 50px;
    background: #FCAE42;
    border-radius: 50%;
    display: grid;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
}

.footer-contact .button-hotline .phone-number {
    padding: 5px 10px;
    background: #efefef;
    color: #082f66;
    position: absolute;
    top: 50%;
    right: 30px;
    transform: translateY(-50%);
    box-shadow: 0 0 10px 19px rgb(0 0 0 / 2%);
    width: max-content;
    font-weight: 500;
    -webkit-transition: all 0.3s ease 0s;
    -moz-transition: all 0.3s ease 0s;
    -ms-transition: all 0.3s ease 0s;
    -o-transition: all 0.3s ease 0s;
    transition: all 0.3s ease 0s;
    opacity: 0;
    visibility: hidden;
}

.footer-contact .button-hotline:hover .phone-number {
    right: 45px;
    opacity: 1;
    visibility: visible;
}

.footer-contact .button-hotline i {
    font-size: 20px;
    font-weight: 700;
    color: #121212;
}

.footer-contact .button-hotline svg {
    max-width: 25px;
    height: 25px;
    fill: #121212;
    -webkit-animation: rang-ani 1s infinite ease-in-out;
    -moz-animation: rang-ani 1s infinite ease-in-out;
    -ms-animation: rang-ani 1s infinite ease-in-out;
    -o-animation: rang-ani 1s infinite ease-in-out;
    animation: rang-ani 1s infinite ease-in-out;
    -webkit-transform-origin: 50% 50%;
    -moz-transform-origin: 50% 50%;
    -ms-transform-origin: 50% 50%;
    -o-transform-origin: 50% 50%;
    transform-origin: 50% 50%;
}

.footer-contact .button-hotline span {
    content: '';
    width: 80px;
    height: 80px;
    top: -15px;
    left: -15px;
    position: absolute;
    background: #FCAE42;
    -webkit-border-radius: 100%;
    -moz-border-radius: 100%;
    border-radius: 100%;
    opacity: .1;
    -webkit-animation: shrink-ani 2.3s infinite ease-in-out;
    -moz-animation: shrink-ani 2.3s infinite ease-in-out;
    -ms-animation: shrink-ani 2.3s infinite ease-in-out;
    -o-animation: shrink-ani 2.3s infinite ease-in-out;
    animation: shrink-ani 2.3s infinite ease-in-out;
    -webkit-transition: all .5s;
    -moz-transition: all .5s;
    -o-transition: all .5s;
    transition: all .5s;
    -webkit-transform-origin: 50% 50%;
    -moz-transform-origin: 50% 50%;
    -ms-transform-origin: 50% 50%;
    -o-transform-origin: 50% 50%;
    transform-origin: 50% 50%;
}

.footer-contact .button-facebook,
.footer-contact .button-zalo{
    display: block;
    margin-bottom: 15px;
}

.footer-contact .button-facebook svg,
.footer-contact .button-zalo svg {
    width: 50px;
    height: 50px;
}

@keyframes shrink-ani {
    0% {
        -webkit-transform: rotate(0) scale(.7) skew(1deg);
        opacity: .2;
    }
    50% {
        -webkit-transform: rotate(0) scale(1) skew(1deg);
        opacity: .2;
    }
    100% {
        -webkit-transform: rotate(0) scale(.7) skew(1deg);
        opacity: .2;
    }
}

@keyframes rang-ani {
    0% {
        -webkit-transform: rotate(0) scale(1) skew(1deg);
    }
    10% {
        -webkit-transform: rotate(-25deg) scale(1) skew(1deg);
    }
    20% {
        -webkit-transform: rotate(25deg) scale(1) skew(1deg);
    }
    30% {
        -webkit-transform: rotate(-25deg) scale(1) skew(1deg);
    }
    40% {
        -webkit-transform: rotate(25deg) scale(1) skew(1deg);
    }
    50% {
        -webkit-transform: rotate(0) scale(1) skew(1deg);
    }
    100% {
        -webkit-transform: rotate(0) scale(1) skew(1deg);
    }
}

@media all and (max-width: 767px) {
    .footer-contact {
        right: 15px;
    }
.footer-contact .button-hotline .phone-number {
    display: none;
}
  }