.act-btn_circ .icon {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}
.act-btn_circ {
    display: block;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #fff;
    position: relative;
    box-shadow: 2px 4px 4px 0 rgba(0, 0, 0, 0.15);
    padding: 0;
}