.btn--order-phone {
    position: relative;
    padding-left: 60px;
}
.btn--order-phone .phone__icon {
    position: absolute;
    display: inline-block;
    color: #616161;
    font-size: 1.25em;
    line-height: 1;
    left: 3px;
    top: 3px;
    text-align: center;
    border-radius: 50%;
    padding-top: 9px;
    border: 1px solid #616161;
    height: 1.9em;
    width: 1.9em;
}