<style>
input[type=checkbox] {
        visibility: hidden;
    }
    .checkbox-Iphone-Vences {
        display: inline-block;
        position: relative;
        width: 70px;
        height: 30px;
        background: #555;
        border-radius: 50px;
        box-shadow: inset 0px 1px 1px rgba(0,0,0,0.6), 0px 1px 0px rgba(255,255,255,0.3);   
    }
    .checkbox-Iphone-Vences label {

    /* aspecto */
    display: block;
    width: 38px;
    height: 20px;
    border-radius: 17px;
    box-shadow: 0px 2px 5px 0px rgba(0,0,0,0.35);
    background: #fcfff4;
    background: linear-gradient(to top, #fcfff4 0%, #dfe5d7 40%, #b3bead 100%);
    cursor: pointer;
    
    /* Posicionamiento */
    position: absolute;
    top: 5px;
    left: 5px;
    z-index: 1;
    
    /* Comportamiento */
    transition: all .4s ease;
    
    /* ocultar el posible texto que tenga */
    overflow: hidden;
    text-indent: 35px;  
    transition: text-indent 0s;
}

   .checkbox-Iphone-Vences input[type=checkbox]:checked + label {
    left: auto;
    right: 5px;
}
.checkbox-Iphone-Vences:after {
    content: 'NO';
    font: 15px/30px Arial, sans-serif;
    color: #AAA;
    position: absolute;
    right: 5px;
    z-index: 0;
    font-weight: bold;
    text-shadow: 1px 1px 0px rgba(255,255,255,.20);
}

.checkbox-Iphone-Vences:before {
    content: 'SÍ';
    font: 15px/30px Arial, sans-serif;
    color: rgb(4, 206, 255);
    position: absolute;
    left: 5px;
    z-index: 0;
    font-weight: bold;
}
  </style>
