.btn_swtich_box {
position:relative;
width:100px;
background-size:100% 100%;
margin-top:30px;
border-radius:50px;
}
.btn_swtich_1bg {
background-color:#ed4646;
}
.btn_swtich_2bg {
background-color:#f4f4f4;
}
.btn_swtich_3bg {
background-color:#4dd865;
}
.btn_swtich_anim {
position:absolute;
top:0px;
background-color:#fff;
box-shadow:0px 0px 4px 0px #999;
}
.btnHide_swtich {
float:left;
background-color:transparent;
opacity:0;
}