.t825__btn_wrapper {
    position: relative;
    height: 80px;
    width: 80px;
    padding: 0;
    border-radius: 50%;
    background-color: #ffffff;
    border: none;
    box-shadow: 0 0 20px 0 rgba(0,0,0,.3);
    transition: all 0.2s linear;
    overflow: hidden;
    cursor: pointer;
}