.otL td:nth-child(2){
width:25em;
}
.otR td:nth-child(2){
width:20em;
}
@media screen and (max-width: 840px) {
.otL td:nth-child(2),
.otR td:nth-child(2){
width:auto;
}
.otL,
.otR{
display:table-row;
}
}