.bfwpf-gsheets-token-preview input{
    background: #fff;
    max-width: 100%;
    width: 100%;
    font-size: 16px;
    padding: 15px 18px;
    line-height: 1;
    border: 1px solid #000 !important;
}

.bfwpf-gsheets-token-preview label{
    font-size: 16px;
    
}