.t651 .t651__btn_wrapper {
position: relative;
background: transparent;
height: 80px;
width: 80px;
border-radius: 50%;
box-shadow: 0 0 10px 0 rgba(0,0,0,.3);
-webkit-transition: all 0.2s linear;
transition: all 0.2s linear;
overflow: hidden;
}