.mod-radio {
    position: relative;
}

.mod-radio.pos2, .mod-radio.pos3 {
    margin-bottom: 70px;
}

.mod-radio.pos1, .mod-radio.pos4 {
    margin-top: 70px;
}

.mod-radio .playbutton {
    background-color: #EA5635;
    border-radius: 70px;
    width: 70px;
    height: 70px;
    color: #fff;
    position: absolute;
    text-align: center;
    padding-top: 10px;
}

.mod-radio.pos1  .playbutton {
    top: -35px;
    left: 50%;
    margin-left: -35px;
}

.mod-radio.pos2 .playbutton {
    left: -35px;
    bottom: -35px;
}

.mod-radio .playbutton img {
    width: 50px;
}