.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;
}