.icon-wrapper {
    animation: pulse_animation 2s infinite;
    border-radius: 10rem;
}

.icon-background, .icon-content, .icon-animation {
    position: absolute;
    width: 4rem;
    height: 4rem;
    color: #fff;
    text-align: center;
    border-radius: 50%;
}
.icon-content {
    cursor: pointer;
    z-index: 1;
    overflow: hidden;
}
.icon-background {
    background: #004A99;
    position: relative;
    transition: .5s;
}
.icon-animation {
    font-size: 2.8rem;
    line-height: 6rem;
    animation: phone_shake .9s ease-in-out infinite;
}
.icon-animation svg {
    transition: .5s ease-in-out;
    width: 2.5rem;
}
.icon-animation svg path{
    stroke: #fff;
}
.tel-wrap__number:hover .icon-background {
    background: #004A99;
}
.tel-wrap__number:hover .icon-background::before,
.tel-wrap__number:hover .icon-background::after {
    content: '';
    position: absolute;
    border: 1px solid #004A99;
    left: -2rem;
    right: -2rem;
    top: -2rem;
    bottom: -2rem;
    border-radius: 50%;
    animation: pulse_border 1.8s linear infinite;
    opacity: 0;
}
.tel-wrap__number:hover .icon-background::after {
    animation-delay: .5s;

}

@keyframes phone_shake {
    0%, 100% {
        transform: rotate(-20deg);
    }
    50% {
        transform: rotate(21deg);
    }
}
@keyframes pulse_border {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: scale(1.2);
        opacity: 0;
    }

}

@keyframes pulse_animation {
    0% {
        box-shadow: 0 0 0 0 rgb(0, 74, 153, 0.67);
    }
    70% {
        box-shadow: 0 0 0 1rem rgba(0, 74, 153, 0.27);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 74, 153, 0.17);
    }
}