.custom-button__wrapper {
    bottom: 129px;
    right: 20px;
    z-index: 2147483645;
    border: none;
    position: fixed;
}

.custom-button__button {
    display: flex;
    -webkit-box-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    align-items: center;
    cursor: pointer;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #008000;
}

.custom-button__icon {
    display: block;
    width: 32px;
    height: 32px;
    background: url('https://static.insales-cdn.com/assets/1/554/5628458/1751341919/icon_phone.svg') 100% 100% / contain no-repeat;
    filter: brightness(0%) invert(100%);
}