input[type=checkbox].ace.ace-switch.ace-switch-6-sino:checked + .lbl::before {
    font-family: 'Open Sans',arial;
    padding-left: 0px;
    content: "SI" !important;
}

input[type=checkbox].ace.ace-switch.ace-switch-6-sino + .lbl::before {
    font-family: 'Open Sans',arial;
    padding-left: 0px !important;
    content: "NO" !important;
}

input[type=checkbox].ace.ace-switch.ace-switch-6-nosi:checked + .lbl::before {
    font-family: 'Open Sans',arial;
    padding-left: 0px;
    content: "NO" !important;
}

input[type=checkbox].ace.ace-switch.ace-switch-6-nosi + .lbl::before {
    font-family: 'Open Sans',arial;
    padding-left: 0px !important;
    content: "SI" !important;
}