.rwd-layout{
border:0px!important;
}
.rwd-layout th,.rwd-layout td{
border-width: 0 0 1px 0!important;
}

@media(max-width:480px){

.rwd-layout td{
display:block;
width: 100%!important;
border:0px!important;
}
.rwd-layout th{
border-width: 0 0 1px 0!important;
}
}